TY - JOUR AU - P N Natarajan TI - Characterization of the matrix class ( α , β ), 0 < α ≤ β ≤ 1 JO - Filomat PY - 2021 SP - 4451 VL - 35 IS - 13 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2113451N/ DO - 10.2298/FIL2113451N LA - en ID - 10_2298_FIL2113451N ER -