TY - JOUR AU - L. D. Faddeev TI - Modern Mathematical Physics: What Is It? JO - Informatics and Automation PY - 1999 SP - 7 EP - 10 VL - 226 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1999_226_a0/ LA - ru ID - TRSPY_1999_226_a0 ER -