TY - JOUR AU - Yu. P. Pyt'ev TI - Reduction problems in experimental investigations JO - Sbornik. Mathematics PY - 1984 SP - 237 EP - 272 VL - 48 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1984_48_1_a14/ LA - en ID - SM_1984_48_1_a14 ER -