References in periodicals archive ?
and we are dealing with an unbounded interval, we cannot expect an analogue of the theorem
(ii) If [mathematical expression not reproducible] = [0,0], then [??] is free and expression [mathematical expression not reproducible] is consistent for all [??], and [??] is considered as unbounded interval [-[infinity], +[infinity]] that is the longest possible interval satisfying [mathematical expression not reproducible].
Banas, "Existence results for Volterra-Stieltjes quadratic integral equations on an unbounded interval," Mathematica Scandinavica, vol.