TY  - JOUR
AU  - N. M. Pavlovskii
TI  - Letter to the Editor
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1965
VL  - 20
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1965_20_4_a38/
LA  - ru
ID  - RM_1965_20_4_a38
ER  -