TY  - JOUR
AU  - V. I. Berdyshev
TI  - A Letter to the Editor
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2015
SP  - 316
VL  - 21
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2015_21_4_a29/
LA  - ru
ID  - TIMM_2015_21_4_a29
ER  -