@article{10_1007_s10587_014_0083_z,
     author = {Cheng, Guanghui},
     title = {New bounds for the minimum eigenvalue of the {Fan} product of two $M$-matrices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {63--68},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {2014},
     doi = {10.1007/s10587-014-0083-z},
     mrnumber = {3247444},
     zbl = {06391476},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0083-z/}
}