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Филтри: First Letter Of Title is S and Автор is Angel Ditchev [Изчисти всички филтри]

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Ditchev A. 2013. SOME PROPERTIES OF AN ALGEBRA OF ALL SETS OF NATURALS E-REDUCIBLE TO A FIXED SET. Annuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté de Mathématiques et Informatique. 101

101-081-093.pdf (222.59 KB)

Ditchev A. 2004. SOME RESULTS ON THE UPPER-SEMILATTICE OF R.E. $m$-DEGREES INSIDE A SINGLE R.E. $tt$-DEGREE. Annuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté de Mathématiques et Informatique. 96

0396.pdf (28.61 KB)

96-023-034.pdf (1010.04 KB)