Martin Kummer. Diagonals and Semihyperhypersimple Sets. Journal of Symbolic Logic, 56(3):1068-1074, 1991.
@article{Kummer91,
title = {Diagonals and Semihyperhypersimple Sets},
author = {Martin Kummer},
year = {1991},
researchr = {https://researchr.org/publication/Kummer91},
cites = {0},
citedby = {0},
journal = {Journal of Symbolic Logic},
volume = {56},
number = {3},
pages = {1068-1074},
}