@article{INTM_1983_21_a2,
     author = {S. G. Krein and M. I. Khazan},
     title = {Differential equations in {a~Banach} space},
     journal = {Itogi nauki i tehniki. Seri\^a, Matemati\v{c}eskij analiz},
     pages = {130--264},
     publisher = {mathdoc},
     volume = {21},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTM_1983_21_a2/}
}