@BOOK{ Book!D - 90027752,
AUTHOR = " Peter V. O'Neil",
TITLE = "Beginning partial differential equations /",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Differential equations, Partial",
URL = "/book/90027752/Beginning-partial-differential-equations/"}