@article{UFA_2017_9_4_a1,
     author = {R. K. Gazizov and A. A. Gainetdinova},
     title = {Operator of invariant differentiation  and its application for integrating  systems of ordinary differential equations},
     journal = {Ufa mathematical journal},
     pages = {12--21},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2017_9_4_a1/}
}