TY  - JOUR
AU  - È. A. Preobrazhenskaya
TI  - Operations which are obtainable by a~combination of chains of $(\mathfrak v)S_N$-operations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1968
SP  - 63
EP  - 71
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1968_10_a7/
LA  - ru
ID  - IVM_1968_10_a7
ER  -