中国科学院数学与系统科学研究院期刊网
QUALITATIVE ANALYSIS OF THE PHASE LOCKED LOOP WITH TANGENT DISCRIMINATOR CHARACTERISTIC OF THIRD ORDER
Wang Lian, Wang Mu-qiu, Lu Zhi-qi
Acta Mathematicae Applicatae Sinica . 1984, (1): 109 -118 .  DOI: 10.12387/C1984013