TY - BOOK AU - Nesbet, R. K TI - Variational principles and methods in theoretical physics and chemistry SN - 9780521675758 U1 - 530.15564 NES PY - 2003/// CY - Cambridge PB - Cambridge University Press KW - Calculus of variations KW - Chemistry, Physical and theoretical - Mathematics KW - Mathematical physics N1 - Includes bibliographical references (p. 205-223) and index ER -