@article{DAN_1964_157_2_a26,
     author = {G. N. Dorofeenko and V. I. Dulenko},
     title = {The synthesis of 1,3-disubstituted 5,6,7,8-tetrahydroisochromylium salts},
     journal = {Doklady Akademii Nauk},
     pages = {361--363},
     publisher = {mathdoc},
     volume = {157},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_157_2_a26/}
}