APA (7th ed.) Citation

Lopotko, O. V., Лопотко, О. В., & Лопотко, О. В. (1999). On the extension of even-positive-definite functions of one and two variables. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Lopotko, O. V., О. В Лопотко, and О. В Лопотко. On the Extension of Even-positive-definite Functions of One and Two Variables. Institute of Mathematics, NAS of Ukraine, 1999.

MLA (8th ed.) Citation

Lopotko, O. V., et al. On the Extension of Even-positive-definite Functions of One and Two Variables. Institute of Mathematics, NAS of Ukraine, 1999.

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