TY  - JOUR
AU  - F. Z. Ziatdinov
TI  - The spectrum of a linear second-order differential operator in a Hilbert space of vector-functions with values in an abstract Hilbert space.~I
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1964
SP  - 46
EP  - 58
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1964_6_a6/
LA  - ru
ID  - IVM_1964_6_a6
ER  -