TY  - DATA
AU  - N.A. Bobylov, S.V. Emel'yanov, S. Korovin
TI  - Geometrical Methods in Variational Problems
SN  - 9789401146296
PY  - 1999///
PB  - Springer Netherlands
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-94-011-4629-6
ER  -