00643nam a2200193Ia 4500 510.3 En56.64 Encyclopaedia of Mathematical Sciences Partial differential equations; No.7 - Spectral theory of differential operators Ed. by M. A. Shubin Berlin Springer-Verlag 1994 272p. Index. Encyclopaedia of Mathematical Sciences V. 64 "Purchased under NBHM grant for the year 1994-1995" Shubin, M. A.; ed. Spectral theory of differential operators 0 0 0 0 ISI ISI 1998-09-02 0 510.3 En56.64 DP22676 2019-02-14 00:00:00 2019-02-14 BK 7980 7980 7980