TY  - BOOK
AU  - Карпман, В.И.
AU  - Соловьев, В.В.
TI  - A perturbational approach to the two-solition systems
T2  - Preprint
PY  - 1979///
CY  - Moscow
PB  - Б. и.
KW  - В161.621,09
KW  - rubbk
ER  -