Treves, Francois. Introduction to Pseudodifferential and Fourier Integral Operators. Vol. 1, Pseudodifferential Operators / Francois Treves. - New York: Plenum Press, 1980. - XXVII, 299 s. ; 24 cm. - (The University Series in Mathematics) . bibliogr. Uniwersalna Klasyfikacja Dziesiętna: 517.9