@techreport{Vodopija18Report, author = {Aljo{\v s}a Vodopija and Tea Tu{\v s}ar and Bogdan Filipi{\v c}}, title = {Comparing Black-Box Differential Evolution and Classic Differential Evolution: {Revisited} Investigation of Invariance to Rotation}, institution = {Jozef Stefan Institute}, year = {2018}, type = {IJS-DP}, number = {12585} }