@article{DE_1965_1_5_a12,
     author = {S. Fempl},
     title = {On a system of partial differential equations the solution of which can be reduced to that of an equation of {Clairaut} type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {698--700},
     publisher = {mathdoc},
     volume = {1},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_5_a12/}
}