TY - BOOK AU - Rockland,Charles ED - SpringerLink (Online service) TI - Hypoellipticity and Eigenvalue Asymptotics T2 - Lecture Notes in Mathematics, SN - 9783540375111 AV - QA1-939 U1 - 510 23 PY - 1975/// CY - Berlin, Heidelberg PB - Springer Berlin Heidelberg KW - Mathematics KW - Mathematics, general N1 - Hypoellipticity with loss of one derivative -- Example: Poincaré complexes -- Hypoellipticity and asymptotic eigenvalues in the abstract case UR - http://dx.doi.org/10.1007/BFb0096096 ER -