@article{SIGMA_2006_2_a48,
     author = {Valentin D. Irtegov and Tatyana N. Titorenko},
     title = {On {One} {Approach} to {Investigation} of {Mechanical} {Systems}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a48/}
}