@ARTICLE{
author={Andrejic Vladica,Lukic Katarina M},
year={2024},
title={The orthogonality principle for Osserman manifolds},
journal={ACTA MATHEMATICA HUNGARICA},
volume={173},
number={1},
pages={246-252},
document_type={Article},
} 

@ARTICLE{
author={Lukic Katarina M},
year={2024},
title={The Jacobi-Orthogonality in Indefinite Scalar Product Spaces},
journal={PUBLICATIONS DE L INSTITUT MATHEMATIQUE-BEOGRAD},
volume={115},
number={129},
pages={33-44},
document_type={Article},
} 

@ARTICLE{
author={Andrejic Vladica,Lukic Katarina M},
year={2023},
title={On the existence of a curvature tensor for given Jacobi operators},
journal={FILOMAT},
volume={37},
number={25},
pages={8465-8471},
document_type={Article},
} 

@ARTICLE{
author={Jovanovic Bozidar Z,Lukic Katarina M},
year={2023},
title={Integrable systems in cosymplectic geometry},
journal={JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL},
volume={56},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Andrejic Vladica,Lukic Katarina M},
year={2019},
title={On Quasi-Clifford Osserman Curvature Tensors},
journal={FILOMAT},
volume={33},
number={4},
pages={1241-1247},
document_type={Article; Proceedings Paper},
}