@article{TMF_1976_27_2_a5,
     author = {O. I. Bogoyavlenskii},
     title = {Hamiltonian formalism of homogeneous cosmological model of {type~IX} with electromagnetic field},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {184--189},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_27_2_a5/}
}