Tác giả: Vu Ngoc Kien Nguyen Hong Quang
Nhà xuất bản: Hindawi; Mathematical Problems in Engineering; Volume 2020, Article ID 6724382, 12 pages. https://doi.org/10.1155/2020/6724382, ISSN: 1024-123X (Print) ISSN:1563-5147 (Online)