000
00250nam a2200109 4500
008
160616s 000 0
245
_a
What is integrability?
100
_a
Zakharov, V.E
500
_a
B334 N1
942
_c
BK
_2
BK3819
080
_a
517.938 ZAK
999
_c
3819
_d
3819