@article{ZVMMF_2011_51_5_a1,
     author = {Yu. K. Shestopaloff},
     title = {Properties of sums of some elementary functions and their application to computational and modeling problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {748--761},
     publisher = {mathdoc},
     volume = {51},
     number = {5},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_5_a1/}
}