@article{JMAG_2003_10_2_a2,
     author = {Natalya Zheltukhina},
     title = {On power series whose tails have multiply positive coefficients},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {156--166},
     year = {2003},
     volume = {10},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2003_10_2_a2/}
}