@article{10_21136_MB_2018_0111_17,
     author = {Chrastinov\'a, Veronika and Tryhuk, V\'aclav},
     title = {The symmetry reduction of variational integrals, complement},
     journal = {Mathematica Bohemica},
     pages = {431--439},
     publisher = {mathdoc},
     volume = {143},
     number = {4},
     year = {2018},
     doi = {10.21136/MB.2018.0111-17},
     mrnumber = {3895266},
     zbl = {06997376},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2018.0111-17/}
}