@ARTICLE{
author={Gilkey Peter,Nikcevic Stana Z,Simon Udo},
year={2011},
title={Curvature Properties of Weyl Geometries},
journal={RESULTS IN MATHEMATICS},
volume={59},
number={3-4},
pages={523-544},
document_type={Article},
} 

@ARTICLE{
author={Gilkey Peter,Nikcevic Stana Z,Simon Udo},
year={2011},
title={Geometric realizations, curvature decompositions, and Weyl manifolds},
journal={JOURNAL OF GEOMETRY AND PHYSICS},
volume={61},
number={1},
pages={270-275},
document_type={Article},
} 

@ARTICLE{
author={Gilkey Peter,Nikcevic Stana Z,Simon Udo},
year={2009},
title={Geometric Theory of Equiaffine Curvature Tensors},
journal={RESULTS IN MATHEMATICS},
volume={56},
number={1-4},
pages={275-317},
document_type={Article},
} 

@ARTICLE{
author={Brozos-Vazquez Miguel,Gilkey Peter,Nikcevic Stana Z,Simon Udo},
year={2008},
title={Projectively Osserman manifolds},
journal={PUBLICATIONES MATHEMATICAE-DEBRECEN},
volume={72},
number={3-4},
pages={359-370},
document_type={Article},
}