TY  - JOUR
AU  - È. L. Pekarev
TI  - Regular and completely nonregular systems of colligations and their characteristic functions
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1980
SP  - 73
EP  - 75
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1980_2_a10/
LA  - ru
ID  - IVM_1980_2_a10
ER  -