American Psychological Association 6th edition

Gel’fand, I. M., & Graev, M. I. (n.d.). \(GG\)-functions.

ISO-690 (author-date, English)

GEL’FAND, I. M. and GRAEV, M. I., [no date]. \(GG\)-functions. .

Modern Language Association 9th edition

Gel’fand, I. M., and M. I. Graev. \(GG\)-Functions.

Mohr Siebeck - Recht (Deutsch - Österreich)

Gel’fand, I. M./Graev, M. I.: \(GG\)-functions,

Emerald - Harvard

Gel’fand, I.M. and Graev, M.I. (n.d.). “\(GG\)-functions”.

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