TY  - JOUR
AU  - S. N. Markov
TI  - Singularities of solutions of second-order equations in a real domain
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 741
EP  - 743
VL  - 17
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_4_a20/
LA  - ru
ID  - DE_1981_17_4_a20
ER  -