(Appendice n°1) Sufficiently rich sets of stopping times, measurable cluster points and submartingales
Séminaire d'Analyse fonctionnelle (dit "Maurey-Schwartz") (1977-1978), article no. 22, 11 p. 
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     author = {Bellow, A.},
     title = {(Appendice n{\textdegree}1) {Sufficiently} rich sets of stopping times, measurable cluster points and submartingales},
     journal = {S\'eminaire d'Analyse fonctionnelle (dit "Maurey-Schwartz")},
     eid = {22},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1977-1978},
     mrnumber = {520225},
     language = {en},
     url = {http://www.numdam.org/item/SAF_1977-1978____A22_0/}
}
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Bellow, A. (Appendice n°1) Sufficiently rich sets of stopping times, measurable cluster points and submartingales. Séminaire d'Analyse fonctionnelle (dit "Maurey-Schwartz") (1977-1978), article  no. 22, 11 p. http://www.numdam.org/item/SAF_1977-1978____A22_0/

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