@article{DAN_1989_306_5_a1,
     author = {A. B. Korchagin},
     title = {New $M$-curves of degrees $8$ and $9$},
     journal = {Doklady Akademii Nauk},
     pages = {1038--1041},
     year = {1989},
     volume = {306},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_5_a1/}
}