@article{MAN_1992__293_4_164963,
     author = {Christian Le Merdy},
     title = {Formes bilin\'eaires hank\'eliennes compactes sur {H2} {(X)} {X} {H2} {(Y).}},
     journal = {Mathematische Annalen},
     pages = {371--384},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1992},
     zbl = {0735.46008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164963/}
}