APA (7th ed.) Citation

Barbir, A., Himmelreich, K. K., Pečarić, J. E., Барбір, А., Хіммельрайх, К. К., & Печарик, Й. Е. (2016). Refinements of Jessen’s functional. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Barbir, A., Kruli´c K. Himmelreich, J. E. Pečarić, А Барбір, Крилік К Хіммельрайх, and Й. Е Печарик. Refinements of Jessen’s Functional. Institute of Mathematics, NAS of Ukraine, 2016.

MLA (8th ed.) Citation

Barbir, A., et al. Refinements of Jessen’s Functional. Institute of Mathematics, NAS of Ukraine, 2016.

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