text 147 1766 815 1958
text 884 1713 1552 1958
text 145 678 816 1244
text 884 634 1553 959
figure 238 189 729 500
text 884 156 1552 342
equation 908 536 1551 609
text 885 1409 1552 1479
equation 888 1259 1549 1395
text 885 462 1552 523
equation 905 358 1551 445
equation 235 1524 709 1612
equation 277 1261 813 1320
text 147 1339 813 1507
text 146 1630 669 1658
equation 925 1611 1510 1698
equation 267 1676 676 1749
text 884 1206 1496 1245
equation 934 1103 1502 1189
equation 1028 1492 1407 1553
text 884 1047 1270 1086
caption 147 560 813 621
equation 1027 973 1408 1030
text 886 1570 930 1595