@article{05909779, title = {Shifted Riccati procedure: application to conformal barotropic FRW cosmologies.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {7}, year = {2011}, doi = {10.3842/SIGMA.2011.013}, zbl = {1217.81100}, language = {en}, url = {http://dml.mathdoc.fr/item/05909779} }
Rosu, Haret C.; Khmelnytskaya, Kira V. Shifted Riccati procedure: application to conformal barotropic FRW cosmologies.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 7 (2011) . doi : 10.3842/SIGMA.2011.013. http://gdmltest.u-ga.fr/item/05909779/