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@article{MZ_1968__108_171093, author = {Manfred Reimer}, title = {Classes of {Semidefinite} {Peano-Kernels.}}, journal = {Mathematische Zeitschrift}, pages = {105--120}, publisher = {mathdoc}, volume = {108}, year = {1968}, zbl = {0169.19903}, url = {http://geodesic.mathdoc.fr/item/MZ_1968__108_171093/} }
Manfred Reimer. Classes of Semidefinite Peano-Kernels.. Mathematische Zeitschrift, Tome 108 (1968), pp. 105-120. http://geodesic.mathdoc.fr/item/MZ_1968__108_171093/