Kazuhisa Ishida, Yasunari Shidama, Adam Grabowski. Definition of Flat Poset and Existence Theorems for Recursive Call. Formalized Mathematics, 22(1):1-10, 2014. [doi]
@article{IshidaSG14, title = {Definition of Flat Poset and Existence Theorems for Recursive Call}, author = {Kazuhisa Ishida and Yasunari Shidama and Adam Grabowski}, year = {2014}, doi = {10.2478/forma-2014-0001}, url = {http://dx.doi.org/10.2478/forma-2014-0001}, researchr = {https://researchr.org/publication/IshidaSG14}, cites = {0}, citedby = {0}, journal = {Formalized Mathematics}, volume = {22}, number = {1}, pages = {1-10}, }