figure 122 142 442 286
equation 139 997 480 1056
equation 108 434 480 482
equation 561 450 902 510
caption 84 326 480 406
equation 157 1161 480 1191
equation 580 594 902 624
text 85 1203 479 1319
text 506 118 901 436
text 506 645 902 1320
text 85 1070 479 1149
text 506 524 900 583
text 85 486 480 982