@article{DAN_1991_321_4_a18,
     author = {A. D. Vasil'ev and I. S. Levina and A. V. Kamernitskii and V. I. Simonov},
     title = {Structure of crystalline $10\beta$-desmethyl-$18$-methyl-$16\alpha$, $17\alpha$-cyclohexanoprogesterone},
     journal = {Doklady Akademii Nauk},
     pages = {733--738},
     publisher = {mathdoc},
     volume = {321},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_321_4_a18/}
}