@article{MM_2003_15_5_a1,
     author = {N. A. Tikhonov and M. K. Trubetskov and G. N. Medvedev},
     title = {Reconstruction of contamination intensity in sewage by the integral-sorption method~(ii). {Model} of ion-change sorption},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {12--16},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2003_15_5_a1/}
}