@ARTICLE{
author={Cakic Nenad P,Mansour Toufik,Yildirim Gokhan},
year={2022},
title={A Decomposition of Column-Convex Polyominoes and Two Vertex Statistics},
journal={MATHEMATICS IN COMPUTER SCIENCE},
volume={16},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Cakic Nenad P,Mansour Toufik,Smith Rebecca},
year={2019},
title={Counting Visible Levels in Bargraphs and Set Partitions},
journal={FILOMAT},
volume={33},
number={19},
pages={6229-6237},
document_type={Article},
} 

@ARTICLE{
author={Cakic Nenad P,Mansour Toufik,Shabani Armend Sh},
year={2019},
title={Counting 1 x 2 rectangles in set partitions},
journal={JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS},
volume={25},
number={5},
pages={708-715},
document_type={Article},
} 

@ARTICLE{
author={Cakic Nenad P,Mansour Toufik,Shabani Armend Sh},
year={2019},
title={Circular bargraphs},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={347},
number={},
pages={803-807},
document_type={Article},
} 

@ARTICLE{
author={Cakic Nenad P,Mansour Toufik,Smith Rebecca},
year={2018},
title={Elements protected by records in set partitions},
journal={JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS},
volume={24},
number={12},
pages={1880-1893},
document_type={Article},
} 

@ARTICLE{
author={El-Desouky Beih S,Cakic Nenad P,Mansour Toufik},
year={2010},
title={Modified approach to generalized Stirling numbers via differential operators},
journal={APPLIED MATHEMATICS LETTERS},
volume={23},
number={1},
pages={115-120},
document_type={Article},
} 

@ARTICLE{
author={Ginosar Yuval,Gutman Ivan,Mansour Toufik,Schork Matthias},
year={2008},
title={Estrada index and Chebyshev polynomials},
journal={CHEMICAL PHYSICS LETTERS},
volume={454},
number={4-6},
pages={145-147},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Radenkovic Slavko,Furtula Boris,Mansour Toufik,Schork Matthias},
year={2007},
title={Relating Estrada index with spectral radius},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={72},
number={12},
pages={1321-1327},
document_type={Article},
}