TY - BOOK AU - Chalkley,Roger TI - Basic global relative invariants for nonlinear differential equations T2 - Memoirs of the American Mathematical Society, AV - QA371 .C435 2007 U1 - 515.355 22 PY - 2007/// CY - Providence, Rhode Island PB - American Mathematical Society KW - Differential equations, Nonlinear KW - Invariants KW - Electronic books N1 - "Volume 190, Number 888 (first of three numbers)."; Includes bibliographical references and index UR - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=3114078 ER -