@article{10_14708_cm_v18i1_5802,
     author = {{\CYRA}. K{\cyra}{\cyrr}cia},
     title = {Sur l{\textquoteright}existence des solutions singuli\`eres d{\textquoteright}une g\'en\'eralisation des \'equations diff\'erentielle de {Clairaut} et de {d{\textquoteright}Alembert}},
     journal = {Commentationes Mathematicae},
     pages = { 21--35},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1974},
     doi = {10.14708/cm.v18i1.5802},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i1.5802/}
}