@article{MZM_1999_66_3_a8,
     author = {R. K. Romanovskii and S. G. Sadovnichuk},
     title = {A~direct method of construction of two-zone solutions of nonlinear equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {401--406},
     publisher = {mathdoc},
     volume = {66},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_3_a8/}
}