TY  - JOUR
AU  - A. D. Myshkis
AU  - N. P. Parshikova
TI  - Estimation of the value of a known functional from an unknown solution
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 754
EP  - 756
VL  - 9
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_4_a22/
LA  - ru
ID  - DE_1973_9_4_a22
ER  -