John Fitch. The automatic derivation of periodic solutions to a class of weakly nonlinear differential equations. In Paul S. Wang, editor, SYMSAC 1981, Proceedings of the Symposium on Symbolic and Algebraic Manipulation, Snowbird, Utah, USA, August 5-7, 1981. pages 239-244, ACM, 1981. [doi]
@inproceedings{Fitch81-0, title = {The automatic derivation of periodic solutions to a class of weakly nonlinear differential equations}, author = {John Fitch}, year = {1981}, doi = {10.1145/800206.806403}, url = {http://doi.acm.org/10.1145/800206.806403}, researchr = {https://researchr.org/publication/Fitch81-0}, cites = {0}, citedby = {0}, pages = {239-244}, booktitle = {SYMSAC 1981, Proceedings of the Symposium on Symbolic and Algebraic Manipulation, Snowbird, Utah, USA, August 5-7, 1981}, editor = {Paul S. Wang}, publisher = {ACM}, isbn = {0-89791-047-8}, }