@inproceedings{SpettelBeyer2018, author = {Patrick Spettel and Hans-Georg Beyer}, title = {A simple approach for constrained optimization - an evolution strategy that evolves rays}, series = {2018 IEEE Congress on Evolutionary Computation (CEC). Proceedings}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5090-6017-7}, doi = {10.1109/CEC.2018.8477753}, pages = {298 -- 305}, year = {2018}, language = {en} }