@article{RM_2005_60_5_a9,
     author = {V. G. Marikhin and V. V. Sokolov},
     title = {On {quasi-St\"ackel} {Hamiltonians}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {981--983},
     publisher = {mathdoc},
     volume = {60},
     number = {5},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2005_60_5_a9/}
}