TY - BOOK AU - Shimakura, Noria AU - Shimakura, Norio ; tr. TI - Partial differential operators of elliptic type T2 - Translations of Mathematical monographs U1 - 515.72 PY - 1992/// CY - Providence PB - American Mathematical Society N1 - "Purchased under NBHM grant for the year 1997-98" ER -