%0 Journal Article %A Carneiro, Mário Jorge Dias %T Singularities of envelopes of families of submanifolds in $\mathbb {R}^N$ %J Annales scientifiques de l'École Normale Supérieure %D 1983 %P 173-192 %V 16 %N 2 %I Elsevier %U http://www.numdam.org/articles/10.24033/asens.1445/ %R 10.24033/asens.1445 %G en %F ASENS_1983_4_16_2_173_0