@article{DAN_1970_190_1_a7,
     author = {M. A. Krasnosel'skii and B. M. Darinskii and I. V. Emelin and P. P. Zabreiko and E. A. Livshitz and A. V. Pokrovskii},
     title = {An operator-hysterant},
     journal = {Doklady Akademii Nauk},
     pages = {34--37},
     publisher = {mathdoc},
     volume = {190},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_1_a7/}
}