Elementary differential equations /
Derrick, William R.
Elementary differential equations / William R. Derrick, Stanley I. Grossman - 1a. ed. - California : Addison-Wesley, 1996 - 404 p.; 26 cm.
517.91
Derrick, William R.
Elementary differential equations / William R. Derrick, Stanley I. Grossman - 1a. ed. - California : Addison-Wesley, 1996 - 404 p.; 26 cm.
517.91