For citations:
Shurygin V.V., Shyrygin V.V. Combining Methods of Euclidean, Affine, and Projective Geometries in Solving Geometric Problems . Russian Digital Libraries Journal. 2021;24(3):563-580. (In Russ.) https://doi.org/10.26907/1562-5419-2021-24-3-563-580