@article{MOMA_1985__99_178224,
     author = {Zolt\'an Sasv\'ari},
     title = {On {Bounded} {Functions} with a {Finite} {Number} of {Negative} {Squares.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {223--234},
     publisher = {mathdoc},
     volume = {99},
     year = {1985},
     zbl = {0557.43004},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1985__99_178224/}
}