@article{IM2_1997_61_4_a8,
     author = {B. Yu. Sternin and V. E. Shatalov},
     title = {Alient differential calculus and resurgent equations},
     journal = {Izvestiya. Mathematics },
     pages = {843--875},
     publisher = {mathdoc},
     volume = {61},
     number = {4},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1997_61_4_a8/}
}