@ARTICLE{
author={Baralic Djordje B,Petric Zoran J,Telebakovic Sonja},
year={2018},
title={Spheres as Frobenius Objects},
journal={THEORY AND APPLICATIONS OF CATEGORIES},
volume={33},
number={},
pages={691-726},
document_type={Article},
} 

@ARTICLE{
author={Malesevic Branko J,Todoric Dragana S,Jovovic Ivana V,Telebakovic Sonja},
year={2010},
title={Formulae of partial reduction for linear systems of first order operator equations},
journal={APPLIED MATHEMATICS LETTERS},
volume={23},
number={11},
pages={1367-1371},
document_type={Article},
}