@article{DAN_1964_159_6_a22,
     author = {V. P. Sigorskii and L. S. Sitnikov and L. L. Utyakov},
     title = {The synthesis of elements with many stable states based on a non-linear four-pole having a non-monotonic amplitude characteristic},
     journal = {Doklady Akademii Nauk},
     pages = {1280--1283},
     publisher = {mathdoc},
     volume = {159},
     number = {6},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_159_6_a22/}
}