https://arxiv.org/abs/1804.07608 https://arxiv.org/abs/1804.07608. This is an another paper, that maybe you are interested in. Even though they have almost the

https://arxiv.org/abs/1804.07608 https://arxiv.org/abs/1804.07608. This is an another paper, that maybe you are interested in. Even though they have almost the same name.