C. T. Chong, Sy D. Friedman. ω. Annals of Pure and Applied Logic, 24(1):87-97, 1983. [doi]
@article{ChongF83,
title = {ω},
author = {C. T. Chong and Sy D. Friedman},
year = {1983},
doi = {10.1016/0168-0072(83)90040-4},
url = {https://doi.org/10.1016/0168-0072(83)90040-4},
researchr = {https://researchr.org/publication/ChongF83},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {24},
number = {1},
pages = {87-97},
}