Hiroshi Takahashi Tomoharu Iwata Yuki Yamanaka Masanori Yamada Satoshi Yagi Variational Autoencoder with Implicit Optimal Priors. 2018 abs/1809.05284 CoRR http://arxiv.org/abs/1809.05284 db/journals/corr/corr1809.html#abs-1809-05284