@article{FAA_1976_10_1_a1,
     author = {O. I. Bogoyavlenskii and S. P. Novikov},
     title = {The relationship between {Hamiltonian} formalisms of stationary and nonstationary problems},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {9--13},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1976_10_1_a1/}
}