@article{ZhangWZS2016, title = {On estimation of functional causal models: General results and application to post-nonlinear causal model}, author = {Zhang, K. and Wang, Z. and Zhang, J. and Sch{\"o}lkopf, B.}, journal = {ACM Transactions on Intelligent Systems and Technologies}, volume = {7}, number = {2}, pages = {article no. 13}, month = jan, year = {2016}, doi = {10.1145/2700476}, month_numeric = {1} }