@ARTICLE{
author={Astola Helena,Stankovic Radomir S,Astola Jaakko T},
year={2018},
title={Reduction of Variables of Index Generation Functions using Linear and Quadratic Transformations},
journal={JOURNAL OF MULTIPLE-VALUED LOGIC AND SOFT COMPUTING},
volume={31},
number={3},
pages={255-270},
document_type={Article},
} 

@ARTICLE{
author={Astola Helena,Stankovic Radomir S,Astola Jaakko T},
year={2016},
title={Index Generation Functions based on Linear and Polynomial Transformations},
journal={2016 IEEE 46TH INTERNATIONAL SYMPOSIUM ON MULTIPLE-VALUED LOGIC (ISMVL 2016)},
volume={},
number={},
pages={102-106},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Stankovic Radomir S,Astola Helena,Astola Jaakko T},
year={2015},
title={Determining Minimized Galois Field Expressions for Ternary Functions by using Special Normal Form},
journal={JOURNAL OF MULTIPLE-VALUED LOGIC AND SOFT COMPUTING},
volume={24},
number={1-4},
pages={53-71},
document_type={Article},
} 

@ARTICLE{
author={Stankovic Radomir S,Astola Helena,Astola Jaakko T},
year={2011},
title={Determining Minimized Galois Field Expressions for Ternary Functions},
journal={2011 41ST IEEE INTERNATIONAL SYMPOSIUM ON MULTIPLE-VALUED LOGIC (ISMVL)},
volume={},
number={},
pages={117-124},
document_type={Proceedings Paper},
}