TY  - JOUR
AU  - Bartušek, M.
AU  - Osička, J.
TI  - On the existence of singular solutions.
JO  - Georgian Mathematical Journal
PY  - 2001
SP  - 669
EP  - 681
VL  - 8
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/GMJ_2001__8_4_50084/
LA  - en
ID  - GMJ_2001__8_4_50084
ER  -