Momchil Hardalov, Ivan Koychev, Preslav Nakov. Beyond English-Only Reading Comprehension: Experiments in Zero-shot Multilingual Transfer for Bulgarian. In Ruslan Mitkov, Galia Angelova, editors, Proceedings of the International Conference on Recent Advances in Natural Language Processing, RANLP 2019, Varna, Bulgaria, September 2-4, 2019. pages 447-459, INCOMA Ltd., 2019. [doi]