@article{IVM_1964_6_a12,
     author = {Kh. R. Latipov and Sh. R. Sharipov},
     title = {A method for the global study of the equation $\frac{dy}{dx}=\frac{Q_k(x,\,y)+Q_n(x,\,y)}{P_k(x,\,y)+P_n(x,\,y)}$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {98--103},
     publisher = {mathdoc},
     number = {6},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_6_a12/}
}