@article{MS2_1989__64_2_186110,
     author = {Robert Wallst\'en},
     title = {The {S...-criterion} for {Hankel} forms on the {Fock} space, 0 < p < 1.},
     journal = {Mathematica Scandinavica},
     pages = {123--132},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1989},
     zbl = {0722.47025},
     url = {http://geodesic.mathdoc.fr/item/MS2_1989__64_2_186110/}
}