Citazione Stile APA (7a Edizione)

Bernkopf, M., & Melenk, J. M. (2018). Analysis of the $hp$-version of a first order system least squares method for the Helmholtz equation.

Citazione stile Chigago Style (17a edizione)

Bernkopf, Maximilian, e Jens Markus Melenk. Analysis of the $hp$-version of a First Order System Least Squares Method for the Helmholtz Equation. 2018.

Citatione MLA (9a ed.)

Bernkopf, Maximilian, e Jens Markus Melenk. Analysis of the $hp$-version of a First Order System Least Squares Method for the Helmholtz Equation. 2018.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.