TY  - JOUR
AU  - R. G. Barantsev
TI  - Two expansion theorems connected with boundary problems for the equation $\psi_{\sigma\sigma}-K(\sigma)\psi_{\theta\theta}=0$
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 551
EP  - 554
VL  - 117
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a0/
LA  - ru
ID  - DAN_1957_117_4_a0
ER  -