论文题目:Poincare Bifurcations Induced by a Nonregular Point on the Discontinuity Boundary in a Family of Planar Piecewise Linear Differential Systems
期刊:INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS (Vol. 31, No. 05)
https://www.worldscientific.com/doi/abs/10.1142/S0218127421500760