00850nam a2200241 a 450000100060000000300080000600500170001400800410003103500190007204000290009104100080012008200250012810000390015324500680019225000120026026000670027230000270033965000320036665000370039894200120043599900170044795201440046451685BD-RjUL20211209075711.0010916s19521927enk           000 0 eng d  a(BD-RjUL)51805  aNZOCbengcBD-RjULdADFA  aeng  223a515.37bVEI 19521 aVeblen, Oswaldd1880-1960.915209610aInvariants of quadratic differential forms /cby Oswald Veblen.  a1st ed.  aCambridge :bCambridge University Press,c1927, [Reprint 1952]  aviii, 102 p. ;c22 cm. 0aDifferential forms.9152034 0aDifferential invariants.9154513  2ddccBK  c51685d51685  00102ddc40708NFICaRUCLbRUCLcStackd1961-05-30eColombo plan by.Uk Govtl0o515.37 VEI 1952r2016-09-01 00:00:00tC-2w2016-09-01yBK