TY  - JOUR
AU  - S. G. Krein
AU  - A. I. Tovbis
TI  - Linear singular differential equations in finite-dimensional and Banach spaces
JO  - Algebra i analiz
PY  - 1990
SP  - 1
EP  - 62
VL  - 2
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1990_2_5_a0/
LA  - ru
ID  - AA_1990_2_5_a0
ER  -