Cherepanova Elena Anatolievna

Publications in Math-Net.Ru

1. Rigidity theorem for the equation of characteristics of a second-order linear equation of mixed type on a plane at a point where the coefficients are zero
   
   Mat. Sb., 216:8 (2025),  41–81
2. Formal normalization of binary differential equations
   
   Chelyab. Fiz.-Mat. Zh., 8:2 (2023),  212–227