@article{AM2_1990__40_1_137373,
     author = {Gy. Szab\'o},
     title = {Sesquilinear-orthogonally quadratic mappings.},
     journal = {Aequationes mathematicae},
     pages = {190--200},
     year = {1990},
     volume = {40},
     number = {1},
     zbl = {0723.39009},
     url = {http://geodesic.mathdoc.fr/item/AM2_1990__40_1_137373/}
}