TY  - JOUR
AU  - V. A. Il'in
AU  - K. V. Mal'kov
AU  - E. I. Moiseev
TI  - The basis property of systems of root functions of nonselfadjoint operators, and integrability of nonlinear evolution systems that are associated with the Lax representation. I
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1956
EP  - 1970
VL  - 25
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_11_a17/
LA  - ru
ID  - DE_1989_25_11_a17
ER  -