A Debreceni Aritmetika
by János Hárs, Gemma Frisius, János Laskai, Rudolphus Hoffhalter
ArithmeticEarly works to 1900Mathematicians
Writing a summary for young readers…
For young readers
Book data: Open Library
by János Hárs, Gemma Frisius, János Laskai, Rudolphus Hoffhalter
Book data: Open Library