Analysis of information sources in references of the Wikipedia article "Հանրահաշիվ" in Armenian language version.
p. 181:
If we think primarily of matter of notations, Diophantus has good claim to be known as the 'father of algebra', but in terms of motivation and concept, the claim is less appropriate. The Arithmetica is not a systematic exposition of the algebraic operations, or of algebraic functions or of the solution of algebraic equations.
p. 230:
The six cases of equations given above exhaust all possiblities for linear and quadratic equations...In this sense, then, al-Khwarizmi is entitled to be known as 'the father of algebra'
p. 228:
Diophantus sometimes is called the father of algebra, but this title more appropriately belongs to al-Khowarizmi...