TY  - JOUR
AU  - A. V. Bitsadze
AU  - N. P. Erugin
AU  - V. I. Krylov
TI  - Viktor Dmitrievi{\v{c}} Kupradze (on the occasion of his seventieth birthday)
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 2105
EP  - 2111
VL  - 9
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_11_a27/
LA  - ru
ID  - DE_1973_9_11_a27
ER  -