APA (7th ed.) Citation

Kalinowski, J. (2002). On the Sign of Solutions of Systems of Ordinary Differential Equations. Український математичний журнал.

Chicago Style (17th ed.) Citation

Kalinowski, J. "On the Sign of Solutions of Systems of Ordinary Differential Equations." Український математичний журнал 2002.

MLA (8th ed.) Citation

Kalinowski, J. "On the Sign of Solutions of Systems of Ordinary Differential Equations." Український математичний журнал, 2002.

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