%0 Journal Article %A A. S. Nikolaev %T Kato perturbative expansion in classical mechanics and an~explicit expression for the~Deprit generator %J Teoretičeskaâ i matematičeskaâ fizika %D 2015 %P 465-499 %V 182 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2015_182_3_a5/ %G ru %F TMF_2015_182_3_a5