@ARTICLE{Borys_Andrzej_On_2016, author={Borys, Andrzej}, volume={vol. 62}, number={No 3}, journal={International Journal of Electronics and Telecommunications}, howpublished={online}, year={2016}, publisher={Polish Academy of Sciences Committee of Electronics and Telecommunications}, title={On Definition of Operator o for Weakly Nonlinear Circuits}, URL={http://www.czasopisma.pan.pl/Content/101641/PDF/34.pdf}, doi={10.1515/eletel-2016-0034}, }