TY - BOOK AU - Kreyszig, erwin TI - Advanced engineering mathematics SN - 978-81-265-3135-6 U1 - 510 KRE 9th PY - 2013/// KW - Mathematics KW - mathematics N1 - Faculty, students and Staff UR - https://libgen.is/book/index.php?md5=7F080EBBEA2790D0E681A773FD755ECF ER -