Gelfand, I. M., Glagoleva, E. G., & Kirillov, A. A. (1990). The method of coordinates. Birkhauser.
Cita Chicago (17th ed.)Gelfand, I. M., E. G. Glagoleva, i A. A. Kirillov. The Method of Coordinates. Charlottesville: Birkhauser, 1990.
Cita MLA (9th ed.)Gelfand, I. M., et al. The Method of Coordinates. Birkhauser, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.