Study on some qualitative properties for solutions of a certain two-dimensional fractional differential system with Hadamard derivative. - Qinghua Ma; Jinwei Wang; Rongnian Wang; Xiaohua Ke (Appl. Math. Lett., 2014)

Qualitative analysis for solutions of a certain more generalized two-dimensional fractional differential system with Hadamard derivative. - Qinghua Ma; Rongnian Wang; Junwei Wang 002; Yicheng Ma (Appl. Math. Comput., 2015)