000 00426nam a22001457a 4500
008 230428b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a517.95(042.3)
_bK7
100 _aKuranishi, M
245 _aLectures on involutive systems of partial differential equations
_b
260 _bSao Paulo,
_c1967
300 _a75p.
650 _aScience
942 _2udc
_cBK
999 _c24627
_d24627