Csima, Barbara F., Dzhafarov, Damir D., Hirschfeldt, Denis R., Jockusch, Jr., Solomon, Reed, Brown Westrick, Linda, Brattka, Vasco, Downey, Rod, Knight, Julia F., and Lempp, Steffen. The reverse mathematics of Hindman’s Theorem for sums of exactly two elements. Retrieved from https://par.nsf.gov/biblio/10175634. Computability 8.3-4 Web. doi:10.3233/COM-180094.

Csima, Barbara F., Dzhafarov, Damir D., Hirschfeldt, Denis R., Jockusch, Jr., Solomon, Reed, Brown Westrick, Linda, Brattka, Vasco, Downey, Rod, Knight, Julia F., & Lempp, Steffen. The reverse mathematics of Hindman’s Theorem for sums of exactly two elements. Computability, 8 (3-4). Retrieved from https://par.nsf.gov/biblio/10175634. https://doi.org/10.3233/COM-180094

Csima, Barbara F., Dzhafarov, Damir D., Hirschfeldt, Denis R., Jockusch, Jr., Solomon, Reed, Brown Westrick, Linda, Brattka, Vasco, Downey, Rod, Knight, Julia F., and Lempp, Steffen. "The reverse mathematics of Hindman’s Theorem for sums of exactly two elements". Computability 8 (3-4). Country unknown/Code not available. https://doi.org/10.3233/COM-180094. https://par.nsf.gov/biblio/10175634.

@article{osti_10175634,
place = {Country unknown/Code not available}, title = {The reverse mathematics of Hindman’s Theorem for sums of exactly two elements}, url = {https://par.nsf.gov/biblio/10175634}, DOI = {10.3233/COM-180094}, abstractNote = {}, journal = {Computability}, volume = {8}, number = {3-4}, author = {Csima, Barbara F. and Dzhafarov, Damir D. and Hirschfeldt, Denis R. and Jockusch, Jr. and Solomon, Reed and Brown Westrick, Linda and Brattka, Vasco and Downey, Rod and Knight, Julia F. and Lempp, Steffen}, }