Text this: Solution for heat conduction in a solid with temperature dependent thermal conductivity

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