Umair, Mohsin Exact Solutions of Monge-Ampere and Zabolotskaya-Khokhlov Equations Using Optimal System / Mohsin Umair - Islambad : SNS - NUST, 2017. - 80 p. : 30cm. Hardcover. Subjects--Topical Terms: Mathematics - M.Phil Thesis Dewey Class. No.: 510