@article{DAN_1986_287_5_a10,
     author = {A. T. Fomenko},
     title = {A {Morse} theory for integrable {Hamiltonian} systems},
     journal = {Doklady Akademii Nauk},
     pages = {1071--1075},
     year = {1986},
     volume = {287},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_287_5_a10/}
}