@article{RM_1976_31_6_a0,
     author = {A. V. Bitsadze and V. A. Il'in and A. A. Samarskii and A. G. Sveshnikov},
     title = {Andrei {Nikolaevich} {Tikhonov} (on his seventieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1976_31_6_a0/}
}