相似文献/References:
[1]李海峰,杨志坚.一类非线性拟双曲型方程组的初边值问题[J].郑州大学学报(工学版),1990,11(04):92.
Li Haifeng,Yang Zhijian,One type of non -linear doubling equation group of the preliminary border value problem[J].Journal of Zhengzhou University (Engineering Science),1990,11(02):92.