@article{MO_2003_2_a7,
     author = {M. K. Yakovlev},
     title = {Riman {Integral} as a {Function} of a {Domain}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {89--102},
     year = {2003},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2003_2_a7/}
}