TY  - JOUR
AU  - V. S. Mel'nik
TI  - Extremal problems for superposition functionals
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 701
EP  - 704
VL  - 329
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_329_6_a2/
LA  - ru
ID  - DAN_1993_329_6_a2
ER  -