@article{AM2_1985__28_137069,
     author = {A. Sklar and B. Schweizer},
     title = {Continuous functions that conjugate trapezoid functions.},
     journal = {Aequationes mathematicae},
     pages = {300--304},
     publisher = {mathdoc},
     volume = {28},
     year = {1985},
     zbl = {0575.39004},
     url = {http://geodesic.mathdoc.fr/item/AM2_1985__28_137069/}
}