Saperstone, S. H., & Stephen H. Saperstone. (1998). Introduction to ordinary differential equations. Pacific Grove: Brooks/Cole Pub.
Παραπομπή Chicago StyleSaperstone, Stephen H., και Stephen H. Saperstone. Introduction to Ordinary Differential Equations. Pacific Grove: Brooks/Cole Pub, 1998.
Παραπομπή MLASaperstone, Stephen H., και Stephen H. Saperstone. Introduction to Ordinary Differential Equations. Pacific Grove: Brooks/Cole Pub, 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.