TY  - JOUR
AU  - I. A. Babenko
TI  - Singularities of the projection of piecewise-linear surfaces in $\mathbf{R}^3$
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1991
SP  - 72
EP  - 75
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1991_2_a14/
LA  - ru
ID  - VMUMM_1991_2_a14
ER  -