... variable, a is decreasing in thefirst variable, and b is decreasing in the second variable, a, b are defined as in Theo-rem 2.2, and L is defined as in Theorem 2.8. p, l are defined as in Theorem 2.1 ... n)notequivalenttozero,andw is nonde-creasing in the first variable, while decreasing in the second variable, a is nonde-creasing in the first variable, and b is decreasing in the second variable, a, b aredefined ... while decreasing in the secondvariable”, “f(m, n)is nondecreasing in the first variable a nd decreasing in the secondvariable” ,and b is decreasing in the second variable” in Theorem 2.8,...