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APA Citation
Codina, R., Baiges, J., Dolbow, J., Farhat, C., Harari, I., & Lew, A. (2015). weak imposition of essential boundary conditions in the finite element approximation of elliptic problems with non‐matching meshes. International journal for numerical methods in engineering, 104, 624–654. http://access.bl.uk/ark:/81055/vdc_100026665178.0x00000c