TY - BOOK AU - Kolman,Bernard AU - Busby,Robert C. AU - Ross,Sharon Cutler TI - Discrete mathematical structures SN - 9788120336896 U1 - 511.3 K815D 2012 PY - 2012/// CY - New Delhi PB - PHI Learning KW - Machine theory KW - Proof theory N1 - includes index ER -