TY - BOOK AU - Amritkar, R E. AU - Advised by Kumar, N. TI - Theoretical studies on some low-temperature phases of interacting Fermion systems: excitonic insulator and superfluid 3 He U1 - 537.56 PY - 1978/// CY - Bangalore PB - Indian Institute of Science KW - Low-temperature phases KW - Fermion systems KW - Excitonic insulator N1 - Includes references; PhD;1978;Physics ER -