Geodesic
Functions with a Finite Number of Negative Squares on Semigroups.
Monatshefte für Mathematik, Tome 107 (1989) no. 3, pp. 9-34.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : functions with k negative squares, commutative semigroups with involution, Pontrjagin spaces, functions of finite rank, shift operators 
@article{MOMA_1989__107_3_178410,
     author = {Christian Berg and Zolt\'an Sasv\'ari},
     title = {Functions with a {Finite} {Number} of {Negative} {Squares} on {Semigroups.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {9--34},
     publisher = {mathdoc},
     volume = {107},
     number = {3},
     year = {1989},
     zbl = {0671.43008},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1989__107_3_178410/}
}
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Christian Berg; Zoltán Sasvári. Functions with a Finite Number of Negative Squares on Semigroups.. Monatshefte für Mathematik, Tome 107 (1989) no. 3, pp. 9-34. http://geodesic.mathdoc.fr/item/MOMA_1989__107_3_178410/