TY - BOOK AU - Gray,Jeremy TI - Linear differential equations and group theory from Riemann to Poincaré SN - 0817638377 (alk. paper) AV - QA372 .G68 1999 U1 - 515/.354/09 Cut G775 21 PY - 2000/// CY - Boston PB - Birkhauser KW - Differential equations, Linear KW - History KW - Group theory N1 - Includes bibliographical references (p. [307]-332) and index ER -