TY  - JOUR
AU  - V. N. Shchelkachev
TI  - Singularities of mathematical solutions of problems connected with the investigation of one-dimensional flows in multidimensional spaces
JO  - Informatics and Automation
PY  - 1989
SP  - 19
EP  - 26
VL  - 186
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1989_186_a4/
LA  - ru
ID  - TRSPY_1989_186_a4
ER  -