@misc{rhodin_imas_integrated_1997, 
author={Rhodin, A.},
title={IMAS: Integrated Modeling and Analysis System for the Solution of Control Problems},
year={1997},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Rhodin, A.: IMAS: Integrated Modeling and Analysis System for the Solution of Control Problems. Computer Physics Communications. 1997. vol. 107, no. 13, 21-38.}}