@article{KJM_2007_30_1_a2, author = {Endre Suli}, title = {A {Gagliardo-Nirenberg} inequality, with application to duality-based a posteriori estimation in the {L^1} norm}, journal = {Kragujevac Journal of Mathematics}, pages = {27 - 43}, publisher = {mathdoc}, volume = {30}, number = {1}, year = {2007}, zbl = {1199.46086}, url = {http://geodesic.mathdoc.fr/item/KJM_2007_30_1_a2/} }