Παραπομπή APA

Birman, M. S. (1991). Estimates and asymptotics for discrete spectra of integral and differential equations. Providence, RI.: American Mathematical Society.

Παραπομπή Chicago Style

Birman, M. Sh. Estimates and Asymptotics for Discrete Spectra of Integral and Differential Equations. Providence, RI.: American Mathematical Society, 1991.

Παραπομπή MLA

Birman, M. Sh. Estimates and Asymptotics for Discrete Spectra of Integral and Differential Equations. Providence, RI.: American Mathematical Society, 1991.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.