Christiaan Huygens.  Mathematisch Tidschrift. 
 Christiaan Huygens.  Internationaal Mathematisch Tidschrift. 

 - Groningen:  P. Noordhoff,  1921-. 
 - 1- ; 1921- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Periodicals.