Trung T. Nguyen Amartya Hatua Andrew H. Sung Cumulative Training and Transfer Learning for Multi-Robots Collision-Free Navigation Problems. 305-311 2019 UEMCON https://doi.org/10.1109/UEMCON47517.2019.8992945 conf/uemcom/2019 db/conf/uemcom/uemcom2019.html#NguyenHS19