American Psychological Association 6th edition

Samarin, V. V., & Samarina, S. M. (n.d.). On everywhere differentiable quasi-classical approximations of Bessel functions.

ISO-690 (author-date, English)

SAMARIN, V. V. and SAMARINA, S. M., [no date]. On everywhere differentiable quasi-classical approximations of Bessel functions. .

Modern Language Association 9th edition

Samarin, V. V., and S. M. Samarina. On Everywhere Differentiable Quasi-Classical Approximations of Bessel Functions.

Mohr Siebeck - Recht (Deutsch - Österreich)

Samarin, V. V./Samarina, S. M.: On everywhere differentiable quasi-classical approximations of Bessel functions,

Emerald - Harvard

Samarin, V.V. and Samarina, S.M. (n.d.). “On everywhere differentiable quasi-classical approximations of Bessel functions”.

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