Šulka, R. O niľpotentnych elementach, idealach i radikalach polugruppy.
Chicago Style (17th ed.) CitationŠulka, Róbert. O Niľpotentnych Elementach, Idealach I Radikalach Polugruppy.
MLA (9th ed.) CitationŠulka, Róbert. O Niľpotentnych Elementach, Idealach I Radikalach Polugruppy.
Warning: These citations may not always be 100% accurate.


