@article{VMUMM_1988_6_a19,
     author = {D. V. Kushch},
     title = {Uniqueness of the determination of piecewise-constant coefficients of the heat equation},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {73--76},
     publisher = {mathdoc},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_6_a19/}
}