@article{DAN_1961_139_1_a31,
     author = {Ya. F. Freimanis and G. Ya Vanag},
     title = {Imination of 2-substituted indandiones-1,3},
     journal = {Doklady Akademii Nauk},
     pages = {128--130},
     publisher = {mathdoc},
     volume = {139},
     number = {1},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a31/}
}