Complex sentence: It was published in "Annals Math." 140 (1994), 703--722 with the title "There are infinitely many Carmichael numbers", this proof was based on a conjecture given by Paul Erdős.
Split into simpler sentences: It was published in "Annals Math." 140 (1994), 703--722 with the title "There are infinitely many Carmichael numbers". This proof was based on a conjecture given by Paul Erdős.