APA (7th ed.) Citation

Nikitin, A. G., Popovich, R. O., Нікітін, А. Г., & Попович, Р. О. (2001). Group Classification of Nonlinear Schrödinger Equations. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Nikitin, A. G., R. O. Popovich, А. Г Нікітін, and Р. О Попович. Group Classification of Nonlinear Schrödinger Equations. Institute of Mathematics, NAS of Ukraine, 2001.

MLA (8th ed.) Citation

Nikitin, A. G., et al. Group Classification of Nonlinear Schrödinger Equations. Institute of Mathematics, NAS of Ukraine, 2001.

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