One-two-two-four model

affine transform with two variables

Appell hypergeometric function of two variables

Chebyshev polynomials in two variables of the firs

Chebyshev polynomials in two variables of the first kind

Comparison of every two means

Difference between two means

exterior algebra in two variables

function generator of two variables

function of two variables

integral differential equation with two variables

integral inequality with two variables

integral-differential equation with two variables

Krawtchouk moments of two variables

moduli of continuity for function of two variables

orthogonal polynomials of two variables

polynomial in two variables

polynomial with two variables

quadratic congruence expression with two variables