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@article{SF_1994__48_3_135300, author = {M. Ishikawa}, title = {Admissible and regular potentials for positive {Co-semigroups} and application to heat semigroups.}, journal = {Semigroup forum}, pages = {96--106}, publisher = {mathdoc}, volume = {48}, number = {3}, year = {1994}, zbl = {0817.47050}, url = {http://geodesic.mathdoc.fr/item/SF_1994__48_3_135300/} }
M. Ishikawa. Admissible and regular potentials for positive Co-semigroups and application to heat semigroups.. Semigroup forum, Tome 48 (1994) no. 3, pp. 96-106. http://geodesic.mathdoc.fr/item/SF_1994__48_3_135300/