@article{SM_2014_205_11_a5,
     author = {E. I. Orlova},
     title = {The symmetry groups of bifurcations of integrable {Hamiltonian} systems},
     journal = {Sbornik. Mathematics},
     pages = {1668--1682},
     publisher = {mathdoc},
     volume = {205},
     number = {11},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2014_205_11_a5/}
}