@article{IIGUM_2017_22_a3,
     author = {V. I. Zorkaltsev and I. V. Mokry},
     title = {Date selection of the beginning of the economic year on the minimization criteria of the seasonal oscillations amplitude},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {50--62},
     publisher = {mathdoc},
     volume = {22},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2017_22_a3/}
}