Bernkopf, M., & Melenk, J. M. (2020). Optimal convergence rates in $L^2$ for a first order system least squares finite element method. Part I: Homogeneous boundary conditions.
Chicago Style (17th ed.) CitationBernkopf, Maximilian, and Jens Markus Melenk. Optimal Convergence Rates in $L^2$ for a First Order System Least Squares Finite Element Method. Part I: Homogeneous Boundary Conditions. 2020.
MLA (9th ed.) CitationBernkopf, Maximilian, and Jens Markus Melenk. Optimal Convergence Rates in $L^2$ for a First Order System Least Squares Finite Element Method. Part I: Homogeneous Boundary Conditions. 2020.
Warning: These citations may not always be 100% accurate.