@article{VNGU_2016_16_1_a1,
     author = {N. S. Astapov and I. S. Astapov},
     title = {Comparative analysis of solutions to $3^{rd}$ and $4^{th}$ order algebraic equations},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {14--28},
     year = {2016},
     volume = {16},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2016_16_1_a1/}
}