@article{DE_1997_33_2_a6,
     author = {I. T. Kiguradze and B. Puzha},
     title = {Theorems of {Conti--Opial} type for nonlinear functional-differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {185--194},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1997_33_2_a6/}
}