@article{MV_1957_9_3-4_a8,
     author = {N. Saltykow},
     title = {Int\'egration des \'equations aux d\'eriv\'ees partielles du premier ordre},
     journal = {Matemati\v{c}ki vesnik},
     pages = {197 },
     year = {1957},
     volume = {9},
     number = {3-4},
     url = {http://geodesic.mathdoc.fr/item/MV_1957_9_3-4_a8/}
}