TY - JOUR AU - Rachůnková, Irena TI - On algebraic properties of dispersions of the 3rd and 4th kind of the differential equation $y''=q(t)y$ JO - Časopis pro pěstování matematiky PY - 1975 SP - 15 EP - 26 VL - 100 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1975.117864/ DO - 10.21136/CPM.1975.117864 LA - en ID - 10_21136_CPM_1975_117864 ER -