TY - JOUR AU - Haret C. Rosu AU - Kira V. Khmelnytskaya TI - Shifted Riccati Procedure: Application to Conformal Barotropic FRW Cosmologies JO - Symmetry, integrability and geometry: methods and applications PY - 2011 VL - 7 UR - http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a12/ LA - en ID - SIGMA_2011_7_a12 ER -