APA (7th ed.) Citation

Kostyrko, P. ON SOME CLASSES OF SETS OF NATURAL NUMBERS.

Chicago Style (17th ed.) Citation

Kostyrko, Pavel. ON SOME CLASSES OF SETS OF NATURAL NUMBERS.

MLA (9th ed.) Citation

Kostyrko, Pavel. ON SOME CLASSES OF SETS OF NATURAL NUMBERS.

Warning: These citations may not always be 100% accurate.