@article{VMUMM_1985_5_a13,
     author = {V. M. Nikiforov},
     title = {The investigation of {Magnus's} effect is conducted by means of {Poincare's} small parameter method},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--57},
     publisher = {mathdoc},
     number = {5},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_5_a13/}
}