@article{1183737032,
author = {Thomason, S. K.},
title = {A Theorem on Initial Segments of Degrees},
journal = {J. Symbolic Logic},
volume = {35},
number = {1},
year = {1970},
pages = { 41-45},
language = {en},
url = {http://dml.mathdoc.fr/item/1183737032}
}
Thomason, S. K. A Theorem on Initial Segments of Degrees. J. Symbolic Logic, Tome 35 (1970) no. 1, pp. 41-45. http://gdmltest.u-ga.fr/item/1183737032/