@article{PORMA_1974__33_1_115211,
     author = {Skoug, D.L.},
     title = {Partial differential systems of generalized {Wiener} and {Feynman} integrals},
     journal = {Portugaliae mathematica},
     pages = {27--33},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1974},
     mrnumber = {0340858},
     zbl = {0275.28011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1974__33_1_115211/}
}