@article{DAN_1995_345_2_a3,
     author = {V. I. Zubov},
     title = {Conservative methods for the numerical integration of equations of},
     journal = {Doklady Akademii Nauk},
     pages = {161--163},
     publisher = {mathdoc},
     volume = {345},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_345_2_a3/}
}