Onufriichuk S P

Publications in Math-Net.Ru

1. Higher symmetries of the Schrödinger equation
   
   TMF, 91:2 (1992),  268–278
2. Infinite-component systems of Dirac-type equations
   
   TMF, 84:3 (1990),  323–338
3. On the invariance groups of one class of the enumerable system of the first-order partial differential equations
   
   Dokl. Akad. Nauk SSSR, 235:5 (1977),  1056–1059