@article {MR2199198,
	title = {A minimal pair of $K$-degrees},
	journal = {Proc. Amer. Math. Soc.},
	volume = {134},
	number = {5},
	year = {2006},
	pages = {1499{\textendash}1502},
	issn = {0002-9939},
	doi = {10.1090/S0002-9939-05-08086-X},
	url = {https://doi.org/10.1090/S0002-9939-05-08086-X},
	author = {Csima, Barbara F. and Montalb{\'a}n, Antonio}
}
