Ermolaev A M

Publications in Math-Net.Ru

1. Perturbation theory for the expansion coefficients of two-electron wave function
   
   Dokl. Akad. Nauk SSSR, 177:6 (1967),  1302–1305
2. The ground state of bielectron atoms and ions
   
   Dokl. Akad. Nauk SSSR, 155:5 (1964),  1050–1053