On Some Transformation Semigroups Invariant under Euclidean or Non-Euclidean Isometries
Charles Loewner
Indiana University Mathematics Journal
1959
text
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10.1512/iumj.1959.8.58028
10.1512/iumj.1959.8.58028
en
Indiana Univ. Math. J. 8 (1959) 393 - 409
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