Toshimitsu Tanaka, Tokiichiro Takahashi. Fast Analytic Shading and Shadowing for Area Light Sources. Comput. Graph. Forum, 16(3):231-240, 1997.
@article{TanakaT97, title = {Fast Analytic Shading and Shadowing for Area Light Sources}, author = {Toshimitsu Tanaka and Tokiichiro Takahashi}, year = {1997}, tags = {source-to-source, open-source}, researchr = {https://researchr.org/publication/TanakaT97}, cites = {0}, citedby = {0}, journal = {Comput. Graph. Forum}, volume = {16}, number = {3}, pages = {231-240}, }