graph ER {
	node [shape=box]; 
	{node [label = "Свойства"] props}; 
	{node [label = "Точки"] points};
	node [shape=ellipse];
	{node [label = <<B><U>Задача</U></B>>] problem}; 
	{node [label = <<B><U>Схема нагружения</U></B>>] scheme};
	{node [label = <<B><U>Дефект</U></B>>] defect}; 
	{node [label = <<B><U>Фаза</U></B>>] phaze};
	{node [label = "&sigma;_11"] s11};
	{node [label = "&sigma;_22"] s22};
	{node [label = "&sigma;_33"] s33};
	{node [label = "&sigma;_12"] s12};
	{node [label = "&sigma;_13"] s13};
	{node [label = "&sigma;_23"] s23};
	{node [label = "&sigma;_I"] sI};
	
	node [shape=ellipse]; "X_1"; "X_2"; "X_3";
	
	node [shape=diamond,style=filled,color=lightgrey]; "С-Т";

	s11 -- props;
	s22 --props;
	s33 -- props;
	s12 -- props;
	s13 -- props;
	s23 -- props;
	sI -- props;
	props -- problem;
	props -- scheme;
	props -- defect;
	props -- phaze;
	props -- "С-Т" [label="m", len=1.00];
	"С-Т" -- points [label="n",len=1.00];
	points -- "X_1";
	points -- "X_2";
	points -- "X_3";
	
	fontsize=20;
}