I find that the rhythm of Bebop Jazz solos are very difficult to notate on paper (Many are impossible), I find that most books of notated Bebop Jazz solos rhythms are incorrect, that's why the solos need to be listened to closely (repeatedly) and then transcribed by ear. (I only learn one phrase at a time, very slowly.)

To understand what I'm saying, tap out the rhythm to this live 1947 Charlie Parker solo below: