TY - JOUR AU - O. M. Martynov TI - On the Relative Projection Constants of Certain Classes of Subspaces of $l_\infty^{2n}$ JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2020 SP - 98 EP - 101 VL - 54 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2020_54_4_a7/ LA - ru ID - FAA_2020_54_4_a7 ER -