ISBN 9780306110146 books & textbook
Asymptotics of Operator and Pseudo-Differential Equations (Monographs in Contemporary Mathematics)
Maslov, V.P. Nazaikinskii, V.E.
Springer /1988-05-31 Hardcover / 320 Pages
isbn-10: 0306110148 / isbn-13: 9780306110146
