@article{10_14708_ma_v48i1_6511,
     author = {Cloud Makasu},
     title = {Bounds for expected payoff on two stocks},
     journal = {Mathematica Applicanda},
     pages = { 49--57},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {2020},
     doi = {10.14708/ma.v48i1.6511},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v48i1.6511/}
}