F516.55
Bol
E
Boltyanskii, V	G
Equivalent and equidecomposable figures. Tr. and adapted from the 1st. Russian ed. 1956 by Alfred K. Henn and Charles E. Watts. Boston, Heath [c1963]
68 p. diagrs. 21 cm. (Topics in mathematics)
"Bibliography": p. 67-68