%0 Journal Article %A Krupková, Olga %T Noether theorem and first integrals of constrained Lagrangean systems %J Mathematica Bohemica %D 1997 %P 257-265 %V 122 %N 3 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.126152/ %R 10.21136/MB.1997.126152 %G en %F 10_21136_MB_1997_126152