TY  - JOUR
AU  - A. V. Bitsadze
TI  - The homogeneous problem for the directional derivative for harmonic functions in three-dimensional regions
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 749
EP  - 752
VL  - 148
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_148_4_a2/
LA  - ru
ID  - DAN_1963_148_4_a2
ER  -