TY  - JOUR
AU  - I. Gohberg
AU  - J. Laiterer
TI  - A criterion for factorization of operator-functions with respect to a contour
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 529
EP  - 532
VL  - 209
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_209_3_a2/
LA  - ru
ID  - DAN_1973_209_3_a2
ER  -