TY  - JOUR
AU  - I. G. Tsar'kov
TI  - Nonunique Solvability of Certain Differential Equations and Their Connection with Geometric Approximation Theory
JO  - Matematičeskie zametki
PY  - 2004
SP  - 287
EP  - 301
VL  - 75
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2004_75_2_a11/
LA  - ru
ID  - MZM_2004_75_2_a11
ER  -