@article{10_1007_s10492_008_0004_2,
     author = {Kagan, Abram and Yu, Tinghui},
     title = {Some inequalities related to the {Stam} inequality},
     journal = {Applications of Mathematics},
     pages = {195--205},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {2008},
     doi = {10.1007/s10492-008-0004-2},
     mrnumber = {2411124},
     zbl = {1186.62009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-008-0004-2/}
}