Achil'diev A I

Publications in Math-Net.Ru

1. A mixed boundary value problem for some degenerate elliptic equations
   
   Mat. Sb. (N.S.), 98(140):4(12) (1975),  499–517
2. On some boundary-value problems for elliptic equations degenerate on the boundary
   
   Dokl. Akad. Nauk SSSR, 208:5 (1973),  1009–1011
3. The eigenfunctions of a boundary value problem for an elliptic equation that degenerates on the boundary of a plane region
   
   Sibirsk. Mat. Zh., 12:1 (1971),  13–24
4. Charateristic functions of the first boundary value problem for el­liptic equations degenerating at certain points
   
   Dokl. Akad. Nauk SSSR, 188:6 (1969),  1207–1209
5. Rigidity of a surface with a point of flattening
   
   Mat. Sb. (N.S.), 73(115):1 (1967),  89–96
6. The first and second boundary-value problems for elliptic equations which are degenerate at a finite number of interior points
   
   Dokl. Akad. Nauk SSSR, 152:1 (1963),  13–16