TY  - JOUR
AU  - I. K. Lifanov
TI  - Some theorems concerning the $\operatorname{Ind}$ dimension
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 33
EP  - 36
VL  - 177
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_177_1_a7/
LA  - ru
ID  - DAN_1967_177_1_a7
ER  -