Number theory:  through exercises 
Sedrakyan, Hayk ; Sedrajyan, Nairi 
 - (S. N):(S. L)  2023 
 - vii, 259p. ; 25.6cm. 
<br/><br/> includes notations bibliography 
<br/><br/><label>ISBN: </label>9781090987891 
<br/><br/><label>Dewey Class. No.: </label>C 512.7 Se449 2023