@article{1102945278, author = {Kwon, Young K.}, title = {$HD$-minimal but no $HD$-minimal.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 171-176}, language = {en}, url = {http://dml.mathdoc.fr/item/1102945278} }
Kwon, Young K. $HD$-minimal but no $HD$-minimal.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 171-176. http://gdmltest.u-ga.fr/item/1102945278/