Frangulov S A

Publications in Math-Net.Ru

1. Об опыте преподавания геометрии Лобачевского
   
   In mem. Lobatschevskii, 3:2 (1995),  28–33
2. Isometric immersions of two-dimensional Riemann manifolds in Pseudo-Euclidean space
   
   Mat. Zametki, 36:3 (1984),  447–455
3. Total curvature of non-compact two-dimensional manifolds of bounded curvature
   
   Mat. Zametki, 1:6 (1967),  727–734