TY - JOUR TI - A galerkin-type method for solutions of pantograph-type volterra-fredholm integro-differential equations with functional upper limit AU - YÜZBAÅžI, Å. AU - KARAÇAYIR, M. JO - Sigma Journal of Engineering and Natural Sciences PY - 2020 VL - 38 SP - 995 EP - 10005 DO - ER -