TY - JOUR TI - The outstanding scientist Sergei Petrovich Novikov celebrated his seventy-fifth birthday on March 20, 2013 JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2013 SP - 1 VL - 47 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2013_47_2_a0/ LA - ru ID - FAA_2013_47_2_a0 ER -