@ARTICLE{
author={Crvenkovic Sinisa Dj,Dolinka Igor,Tasic Vladimir},
year={2006},
title={A locally finite variety of rings with an undecidable equational theory},
journal={QUARTERLY JOURNAL OF MATHEMATICS},
volume={57},
number={},
pages={297-307},
document_type={Article},
} 

@ARTICLE{
author={Crvenkovic Sinisa Dj,Tasic Vladimir},
year={2002},
title={Decidability of semigroup identities in soluble groups},
journal={JOURNAL OF GROUP THEORY},
volume={5},
number={1},
pages={107-118},
document_type={Article},
}