@article{DAN_1961_136_3_a25,
     author = {N. K. Kochetkov and A. Ya. Khorlin and A. F. Bochkov},
     title = {Synthesis of $K$-strophanthin-$\beta$},
     journal = {Doklady Akademii Nauk},
     pages = {613--616},
     publisher = {mathdoc},
     volume = {136},
     number = {3},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_3_a25/}
}