TY  - JOUR
AU  - P. S. Aleksandrov
AU  - V. A. Il'in
TI  - Andrei Nikolaevich Tikhonov (on his sixtieth birthday)
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1967
SP  - 109
EP  - 110
VL  - 22
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1967_22_2_a3/
LA  - en
ID  - RM_1967_22_2_a3
ER  -