@article{SJIM_2005_8_4_a1,
     author = {E. M. Bronshtein and D. A. Skotnikov},
     title = {The limit profitability of financial operations},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {7--17},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2005_8_4_a1/}
}