de Borst, R., & Groen, A. E. (1994). A NOTE ON THE CALCULATION OF CONSISTENT TANGENT OPERATORS FOR VON MISES AND DRUCKER--PRAGER PLASTICITY. Communications in Numerical Methods in Engineering, 10(12), 1021. https://doi.org/10.1002/cnm.1640101208
Chicago Style (17th ed.) Citationde Borst, RenÉ, and Arend E. Groen. "A NOTE ON THE CALCULATION OF CONSISTENT TANGENT OPERATORS FOR VON MISES AND DRUCKER--PRAGER PLASTICITY." Communications in Numerical Methods in Engineering 10, no. 12 (1994): 1021. https://doi.org/10.1002/cnm.1640101208.
MLA (9th ed.) Citationde Borst, RenÉ, and Arend E. Groen. "A NOTE ON THE CALCULATION OF CONSISTENT TANGENT OPERATORS FOR VON MISES AND DRUCKER--PRAGER PLASTICITY." Communications in Numerical Methods in Engineering, vol. 10, no. 12, 1994, p. 1021, https://doi.org/10.1002/cnm.1640101208.