Critical points and level surfaces of multivalued functions
Informatics and Automation, Modern problems of mathematics. Differential equations, mathematical analysis and their applications, Tome 166 (1984), pp. 201-209
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@article{TRSPY_1984_166_a14,
author = {S. P. Novikov},
title = {Critical points and level surfaces of multivalued functions},
journal = {Informatics and Automation},
pages = {201--209},
publisher = {mathdoc},
volume = {166},
year = {1984},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_166_a14/}
}
S. P. Novikov. Critical points and level surfaces of multivalued functions. Informatics and Automation, Modern problems of mathematics. Differential equations, mathematical analysis and their applications, Tome 166 (1984), pp. 201-209. http://geodesic.mathdoc.fr/item/TRSPY_1984_166_a14/