TY  - JOUR
AU  - V. M. Deundyak
AU  - I. B. Simonenko
AU  - V. A. Stukopin
TI  - Homotopic classification of families of Noether singular operators
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 540
EP  - 542
VL  - 329
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_329_5_a2/
LA  - ru
ID  - DAN_1993_329_5_a2
ER  -