@Article{JCM-7-113, author = {Bjorn Engquist}, title = {Far Field Computational Boundary Conditions}, journal = {Journal of Computational Mathematics}, year = {1989}, volume = {7}, number = {2}, pages = {113--120}, abstract = { }, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9461.html} }