@article{SM_1971_14_1_a9,
     author = {B. V. Martynov},
     title = {Supplement to the article {``Three-dimensional} varieties with rational sections'' (vol.~81(123) (1970), 623--633)},
     journal = {Sbornik. Mathematics},
     pages = {157--158},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1971},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1971_14_1_a9/}
}