%0 Journal Article %T ¡°Critical¡± Cosmology in Higher Order Gravity %A Nahomi Kan %A Koichiro Kobayashi %A Kiyoshi Shiraishi %J ISRN Mathematical Physics %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/651684 %U http://dx.doi.org/10.1155/2013/651684