@article{1178242692,
author = {Yabuta, K\^oz\^o},
title = {Remarks on extremum problems in $H^{1}$},
journal = {Tohoku Math. J. (2)},
volume = {23},
number = {4},
year = {1971},
pages = { 129-137},
language = {en},
url = {http://dml.mathdoc.fr/item/1178242692}
}
Yabuta, Kôzô. Remarks on extremum problems in $H^{1}$. Tohoku Math. J. (2), Tome 23 (1971) no. 4, pp. 129-137. http://gdmltest.u-ga.fr/item/1178242692/