caption 117 514 878 603
equation 249 870 486 892
equation 259 1181 486 1207
equation 665 942 878 966
figure 250 104 746 497
equation 259 1254 486 1279
equation 199 1007 486 1032
text 118 645 485 866
text 510 985 877 1276
text 510 645 878 938
text 118 1049 486 1179
text 118 904 485 991
text 118 1217 435 1239