@article{CRMATH_2019__357_9_721_0, author = {Vinh Duc Nguyen}, title = {On periodic subsolutions to steady second-order systems and applications}, journal = {Comptes Rendus. Math\'ematique}, pages = {721--728}, publisher = {Elsevier}, volume = {357}, number = {9}, year = {2019}, doi = {10.1016/j.crma.2019.09.002}, language = {en}, }