@article{MOMA_1987__104_178346, author = {Zolt\'an Sasv\'ari}, title = {Decomposition of {Positive} {Definite} {Functions} {Defined} on a {Neighbourhood} of the {Identity.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {139--148}, publisher = {mathdoc}, volume = {104}, year = {1987}, zbl = {0626.43006}, url = {http://geodesic.mathdoc.fr/item/MOMA_1987__104_178346/} }