Basic principles of virtual element methods. Math. Models Methods Appl. Sci. [Internet]. 2013 ;23:199–214. Available from: https://doi.org/10.1142/S0218202512500492
. Hourglass stabilization and the virtual element method. Internat. J. Numer. Methods Engrg. [Internet]. 2015 ;102:404–436. Available from: https://doi.org/10.1002/nme.4854
. Hourglass stabilization and the virtual element method. International Journal for Numerical Methods in Engineering [Internet]. 2015 ;102:404-436. Available from: https://onlinelibrary.wiley.com/doi/abs/10.1002/nme.4854
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