@article{DAN_1957_112_6_a20,
     author = {G. S. Grinenko and V. I. Maksimov},
     title = {The synthesis of trans-$\Delta^{4,9}$-steradienone-$3$},
     journal = {Doklady Akademii Nauk},
     pages = {1059--1062},
     publisher = {mathdoc},
     volume = {112},
     number = {6},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_112_6_a20/}
}