@article{TRSPY_1990_184_a2,
     author = {V. N. Popov},
     title = {The theory of model {Hamiltonians} and the functional integration method},
     journal = {Informatics and Automation},
     pages = {105--129},
     publisher = {mathdoc},
     volume = {184},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1990_184_a2/}
}