@article{ZVMMF_1966_6_3_a20, author = {B. V. Gisin}, title = {On necessary conditions for the existence of particle-like solutions of a non-linear differential equation}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {595--596}, publisher = {mathdoc}, volume = {6}, number = {3}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_1966_6_3_a20/} }