I am getting the error message "File 'subfigure.sty' not found ". usepackage

documentclass[nemilov1]{Nemilov}
usepackage{fix-cm}
usepackage[english]{babel}
usepackage{amssymb}
usepackage{amsmath}
usepackage{graphicx}
usepackage{subfigure}
usepackage{makeidx}
usepackage{multicol}
usepackage{inputenc}
usepackage{epigrafica}
usepackage[LGR,OT1]{fontenc}
usepackage{mathptmx}