TY  - JOUR
TI  - VII Winter Mathematical Workshop ``Algebra and differential equations''
JO  - Fundamentalʹnaâ i prikladnaâ matematika
PY  - 1999
SP  - 315
EP  - 317
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FPM_1999_5_1_a18/
LA  - ru
ID  - FPM_1999_5_1_a18
ER  -