TY  - JOUR
AU  - M. K. Bugir
TI  - A connection between the nonvariability of solutions and ill-posed
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 1053
EP  - 1056
VL  - 319
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_319_5_a4/
LA  - ru
ID  - DAN_1991_319_5_a4
ER  -