Fred N. Fritsch, David K. Kahaner, James N. Lyness. Double Integration Using One-Dimensional Adaptive Quadrature Routines: A Software Interface Problem. ACM Transactions on Mathematical Software, 7(1):46-75, 1981. [doi]
@article{FritschKL81, title = {Double Integration Using One-Dimensional Adaptive Quadrature Routines: A Software Interface Problem}, author = {Fred N. Fritsch and David K. Kahaner and James N. Lyness}, year = {1981}, doi = {10.1145/355934.355938}, url = {http://doi.acm.org/10.1145/355934.355938}, researchr = {https://researchr.org/publication/FritschKL81}, cites = {0}, citedby = {0}, journal = {ACM Transactions on Mathematical Software}, volume = {7}, number = {1}, pages = {46-75}, }