@article{10_2298_FIL2105629L, author = {Nguyen Thanh Long and Le Minh Tri and Le Thi Phuong Ngoc}, title = {The existence of solutions and positive solution of a first -order differential system with initial and multi-point boundary conditions}, journal = {Filomat}, pages = {1629 }, year = {2021}, volume = {35}, number = {5}, doi = {10.2298/FIL2105629L}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2105629L/} }