Geometry of the Lagrange variational problem with a double integral in $X_4$
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1964), pp. 153-165
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@article{IVM_1964_1_a20,
author = {D. E. Chernyi},
title = {Geometry of the {Lagrange} variational problem with a double integral in $X_4$},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {153--165},
publisher = {mathdoc},
number = {1},
year = {1964},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1964_1_a20/}
}
D. E. Chernyi. Geometry of the Lagrange variational problem with a double integral in $X_4$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1964), pp. 153-165. http://geodesic.mathdoc.fr/item/IVM_1964_1_a20/