000
00244nam a2200109 4500
008
160616s 000 0
245
_a
Intergral equations
100
_a
Tricomi, E.G
500
_a
B33 J7
942
_c
BK
_2
BK1068
080
_a
517.96 TRI
999
_c
1068
_d
1068