@article{TMF_2015_182_3_a5,
     author = {A. S. Nikolaev},
     title = {Kato perturbative expansion in classical mechanics and an~explicit expression for {the~Deprit} generator},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {465--499},
     publisher = {mathdoc},
     volume = {182},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2015_182_3_a5/}
}