00692nam a2200193Ia 4500 CTU_20849 210402s9999 xx 000 0 und d 621.38043 S849 Stewart, John L. Fundamentals of signal theory John L. Stewart New York McGraw-Hill 1960 This book is concerned with the many mathematical concepts and techniques of value in the analysis of linear and time-invariant systems. Electric engineering,Electric waves,Sóng điện,Kỹ thuật điện Minh, 971230 Trung tâm Học liệu Trường Đại học Cần Thơ