Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1976__51_139645, author = {Jan G. Krzyz}, title = {Convolution and {Quasiconformal} {Extension}}, journal = {Commentarii mathematici Helvetici}, pages = {99--104}, publisher = {mathdoc}, volume = {51}, year = {1976}, zbl = {0323.30022}, url = {http://geodesic.mathdoc.fr/item/CMH_1976__51_139645/} }
Jan G. Krzyz. Convolution and Quasiconformal Extension. Commentarii mathematici Helvetici, Tome 51 (1976), pp. 99-104. http://geodesic.mathdoc.fr/item/CMH_1976__51_139645/