TY - JOUR AU - Rachůnková, Irena TI - On a coincidence of central dispersions of the first and second kind in connection with periodic solutions of the differential equation $y'=q(t)y$ JO - Archivum mathematicum PY - 1975 SP - 205 EP - 216 VL - 11 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1975__11_4_a2/ LA - en ID - ARM_1975__11_4_a2 ER -