@article{701132,
     title = {Positivity Properties of Measures in Euclidean Quantum Field Theory},
     booktitle = {Abstracta. 6th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1978},
     pages = {97-99},
     url = {http://dml.mathdoc.fr/item/701132}
}

Yngvason, Jakob. Positivity Properties of Measures in Euclidean Quantum Field Theory, dans Abstracta. 6th Winter School on Abstract Analysis, GDML_Books,  (1978), pp. 97-99. http://gdmltest.u-ga.fr/item/701132/