A sufficient criterion for the existence of an envelope of characteristics and a cuspidal edge on the enveloping surface of a parametrized family of surfaces
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1977), pp. 20-23
Citer cet article
V. A. Zalgaller; F. L. Litvin. A sufficient criterion for the existence of an envelope of characteristics and a cuspidal edge on the enveloping surface of a parametrized family of surfaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1977), pp. 20-23. http://geodesic.mathdoc.fr/item/IVM_1977_3_a2/
@article{IVM_1977_3_a2,
author = {V. A. Zalgaller and F. L. Litvin},
title = {A sufficient criterion for the existence of an envelope of characteristics and a~cuspidal edge on the enveloping surface of a~parametrized family of surfaces},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {20--23},
year = {1977},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1977_3_a2/}
}
TY - JOUR
AU - V. A. Zalgaller
AU - F. L. Litvin
TI - A sufficient criterion for the existence of an envelope of characteristics and a cuspidal edge on the enveloping surface of a parametrized family of surfaces
JO - Izvestiâ vysših učebnyh zavedenij. Matematika
PY - 1977
SP - 20
EP - 23
IS - 3
UR - http://geodesic.mathdoc.fr/item/IVM_1977_3_a2/
LA - ru
ID - IVM_1977_3_a2
ER -
%0 Journal Article
%A V. A. Zalgaller
%A F. L. Litvin
%T A sufficient criterion for the existence of an envelope of characteristics and a cuspidal edge on the enveloping surface of a parametrized family of surfaces
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1977
%P 20-23
%N 3
%U http://geodesic.mathdoc.fr/item/IVM_1977_3_a2/
%G ru
%F IVM_1977_3_a2
