Text this: Option pricing and implied volatilities in a 2-hypergeometric stochastic volatility model

   _____    _____    _    _    _    _     _____   
  / ___//  |  ___|| | |  | || | || | ||  |__  //  
  \___ \\  | ||__   | |/\| || | || | ||    / //   
  /    //  | ||__   |  /\  || | \\_/ ||   / //__  
 /____//   |_____|| |_// \_||  \____//   /_____|| 
`-----`    `-----`  `-`   `-`   `---`    `-----`