TY  - JOUR
AU  - G. S. Shpak
TI  - Some estimates for functions that, at two points, have prescribed values and values of first derivatives
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1981
SP  - 67
EP  - 71
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1981_3_a9/
LA  - ru
ID  - IVM_1981_3_a9
ER  -