@article{ZNSL_1968_8_a3,
     author = {O. Demuth},
     title = {A~connection between {Riemann} and {Lebesgue} integrability of constructive functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {29--31},
     publisher = {mathdoc},
     volume = {8},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1968_8_a3/}
}