Fraivert, D., & Stupel, M. (2021). Necessary and sufficient conditions for orthogonal circles. Journal of Mathematical Education in Science and Technolog.
פרייברט, ד' (2021). חידושים בגיאומטריה אוקלידית – תאוריה של מרובע קמור ומעגל היוצר נקודות פסקל על צלעותיו. ירושלים, אקדמון, 245 עמ
Fraivert, D., Sigler, A., & Stupel, M. (2020). Necessary and sufficient properties for a cyclic quadrilateral. International Journal of Mathematical Education in Science and Technolog. 51(6), 913-938
Fraivert, D. (2019). A set of rectangles inscribed in an orthodiagonal quadrilateral and defined by pascal-points circles. Journal of Geometry and Graphics, 23(1), 5-27
Fraivert, D. (2019). New points that belong to the nine-point circle. The Mathematical Gazette, 103(557), 222-232
Fraivert, D. (2019). Pascal-points quadrilaterals inscribed in a cyclic quadrilateral. The Mathematical Gazette, 103(557), 233-239
Fraivert, D., & Fraivert, D. (2018). A group over the set of Pascal points on the sides of a convex quadrilateral. 1-12
Fraivert, D. (2018). New applications of method of complex numbers in the geometry of cyclic quadrilaterals. International Journal of Geometry, 7(1), 5-16
Fraivert, D., & Stupel, M. (2018). Formulas for special segments in a triangle. At Right Angles, 7(2), 72-85
Fraivert, D. (2017). Properties of the tangents to a circle that forms Pascal points on the sides of a convex quadrilateral. Forum Geometricorum, 17, 223-243.
Fraivert, D. (2017). Properties of a Pascal points circle in a quadrilateral with perpendicular diagonals. Forum Geometricorum, 17, 509-526
Fraivert, D. (2016). Discovering new geometric properties by spiral inductive deductive Investigation. Far East Journal of Mathematical Education,16(2), 185-202
Fraivert, D. (2016). The theory of a convex quadrilateral and a circle that forms "Pascal Point" – The properties of "Pascal Points" On the sides of a convex quadrilateral. Journal of Mathematical Sciences, 40, 1-34
Fraivert, D. (2016). The theory of an inscribable quadrilateral and a circle that forms pascal points. Journal of Mathematical Sciences: Advances and Applications, 42, 81-107
Fraivert, D., Sigler, A., & Stupel, M. (2016). Common properties of trapezoids and convex quadrilaterals. Journal of Mathematical Sciences, 38, 49-71
Stupel, M., Fraivert, D., & Oxman, V. (2014). Investigating derivatives by means of combinatorial analysis of the components of the function. International Journal of Mathematical Education in Science and Technology, 45(6), 892-904
