@article{SM_1979_35_1_a7,
     author = {M. F. Sukhinin},
     title = {On the differentiability with respect to the initial condition of a~solution to an ordinary differential equation},
     journal = {Sbornik. Mathematics},
     pages = {115--129},
     year = {1979},
     volume = {35},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1979_35_1_a7/}
}