TY  - JOUR
AU  - L. N. Dudko
AU  - I. I. Kal'mushevskii
TI  - Conditions for similarity to the operator $I^2$ in terms of the characteristic matrix-valued function
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1976
SP  - 38
EP  - 46
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1976_4_a3/
LA  - ru
ID  - IVM_1976_4_a3
ER  -