Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1967_2_1_a2, author = {\'E. I. Nechiporuk}, title = {Correcting closures in contact circuits}, journal = {Matemati\v{c}eskie zametki}, pages = {15--24}, publisher = {mathdoc}, volume = {2}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a2/} }
É. I. Nechiporuk. Correcting closures in contact circuits. Matematičeskie zametki, Tome 2 (1967) no. 1, pp. 15-24. http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a2/