APA (7th ed.) Citation

Kurdachenko, L. A., Pypka, O. O., & Semko, M. M. (2015). Periodic groups, whose cyclic subgroups either are ascendant or almost self-normalized.

Chicago Style (17th ed.) Citation

Kurdachenko, L. A., O. O. Pypka, and M. M. Semko. Periodic Groups, Whose Cyclic Subgroups Either Are Ascendant or Almost Self-normalized. 2015.

MLA (8th ed.) Citation

Kurdachenko, L. A., et al. Periodic Groups, Whose Cyclic Subgroups Either Are Ascendant or Almost Self-normalized. 2015.

Warning: These citations may not always be 100% accurate.