'Generalized Independent Noise Condition for Estimating Causal Structure with Latent Variables', by Feng Xie, Biwei Huang, Zhengming Chen, Ruichu Cai, Clark Glymour, Zhi Geng, Kun Zhang.
http://jmlr.org/papers/v25/23-1052.html
#causal #causally #covariance


