@article{GDZPPN002227282, title = {A Remark on H1 Mappings.}, journal = {Manuscripta mathematica}, volume = {55}, year = {1986}, pages = {1-10}, zbl = {0618.58015}, url = {http://dml.mathdoc.fr/item/GDZPPN002227282} }
Hardt, Robert; Lin, Fang-Hua. A Remark on H1 Mappings.. Manuscripta mathematica, Tome 55 (1986) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002227282/