共 50 条
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2ND ORDER TRANSITIONS AND CRITICAL POINTS
[J].
JOURNAL OF CHEMICAL PHYSICS,
1951, 19 (10)
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[44]
HYPOELLIPTIC 2ND ORDER DIFFERENTIAL EQUATIONS
[J].
ACTA MATHEMATICA UPPSALA,
1967, 119 (3-4)
:147-&
[48]
A 2ND ORDER SUPERLINEAR OSCILLATION CRITERION
[J].
CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES,
1984, 27 (01)
:102-112
[49]
2ND ORDER FARADAY ROTATION FORMULAS
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1960, 65 (08)
:2548-2550