Biblio

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1974

Petkova S.. 1974. An example of complex the cohomology groups of which are not isomorphic to the inverse limit of the cohomology groups of its finite subcomplexes. Annuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté des Mathématiques. 66:159-161.

66-159-161.pdf (3.39 MB)

1977

Petkova S.. 1977. On the universality of the mapping of canonical homologies in Alexandrov-Čech homology theory. Annuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté de Mathématiques et Mécanique. 68(Structures Mathématiques et Applications):283-293.

68-283-293.pdf (6.64 MB)