The paper deals with the irrationality and rationality of infinite series. These series consist of special rational numbers of Oppenheim type. Several criteria are included too.
The paper deals with the irrationality and rationality of infinite series. These series consist of special rational numbers of Oppenheim type. Several criteria are included too. (en)
Článek pojednává o iracionalitě a racionalitě nekonečných řad. Tyto řady se skládají ze speciálních racionálních čísel Oppenheimova typu. Několik kritérií je také zahrnuto. (cs)