TY - BOOK AU - Zill,Dennis G. TI - A first course in differential equations T2 - The Prindle, Weber and Schmidt series in mathematics, SN - 0534931545 U1 - 515.35 20 PY - 1993/// CY - Boston PB - PWS-Kent KW - Differentialekvationer KW - sao KW - Differential equations KW - Differential ekvationer ER -