TY  - JOUR
AU  - V. I. Lebedev
TI  - Four-point schemes of increased accuracy
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 526
EP  - 529
VL  - 142
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_142_3_a6/
LA  - ru
ID  - DAN_1962_142_3_a6
ER  -