Rai, B., & Choudhury, D. P. F. (2002). course in ordinary differential equations. Narosa Publishing House.
Παραπομπή Chicago StyleRai, B., και D. P. Freedman Choudhury. Course in Ordinary Differential Equations. New Delhi: Narosa Publishing House, 2002.
Παραπομπή MLARai, B., και D. P. Freedman Choudhury. Course in Ordinary Differential Equations. Narosa Publishing House, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.