- 3 j uttler b , felis a . least - squares fitting of algebraic spline surfaces . advances in computational mathematics , 2002 , 17 : 135 - 152 . 4 yang z w , deng j s , chen f l . dynamic implicit curve reconstruction based on approximate geometric distance
Felis is a genus of cats in the family Felidae, including the familiar domestic cat and its closest wild relatives. The wild species are distributed widely across Europe, southern and central Asia, and Africa; the domestic cat has been introduced worldwide.