PT  - JOURNAL ARTICLE
AU  - LIŠKA, Vladimír
AU  - VRÁBEĽ, Róbert
TI  - 
DP  - 2009 Jul 1
TA  - Trends in education
PG  - 484--488
VI  - 2
IP  - 1
IS  - 18058949
AB  - Substitution method to multidimensional integrals is a powerful tool for calculating them, but its routine application can lead to lengthy calculations. This fact presents the example of three-dimensional integral, where the area of integration is cone with the axis of rotation ox .