@ARTICLE {,
title = {Lokálne extrémy},
author = {Doboš, Jozef},
journal = {Obzory matematiky, fyziky a informatiky},
year = {2004},
volume = {33},
number = {1},
pages = {15--21},
issn = {1335-4981},
abstract = {In this paper an elementary approach to relative extrema of a function
y = x^3 ax^2 bx c is presented.},
}