@article{DAN_1965_160_5_a26, author = {M. I. Kabachnik and V. A. Gilyarov and M. M. Yusupov}, title = {A contribution to the study of conjugation in systems containing a tetrahedral phosphorus atom. {Phosphoazacyanines}}, journal = {Doklady Akademii Nauk}, pages = {1079--1082}, publisher = {mathdoc}, volume = {160}, number = {5}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_5_a26/} }