@article{MZM_1988_43_5_a9,
     author = {S. V. Matveev and A. T. Fomenko},
     title = {Morse-type theory for integrable {Hamiltonian} systems with tame integrals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {663--671},
     publisher = {mathdoc},
     volume = {43},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_5_a9/}
}