TY  - JOUR
AU  - Carneiro, Mário Jorge Dias
TI  - Singularities of envelopes of families of submanifolds in $\mathbb {R}^N$
JO  - Annales scientifiques de l'École Normale Supérieure
PY  - 1983
SP  - 173
EP  - 192
VL  - 16
IS  - 2
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.24033/asens.1445/
DO  - 10.24033/asens.1445
LA  - en
ID  - ASENS_1983_4_16_2_173_0
ER  -