Pham THT, Ngo TP. Investigating the set of idempotents of Leavitt path algebra of the acyclic graphs. Dong Thap University Journal of Science [Internet]. 2018 Jun. 24 [cited 2024 Jul. 6];(32):70-2. Available from: https://dthujs.vn/index.php/dthujs/article/view/580