机读格式显示(MARC)

• 000 00856nam a2200277 a 4500

• 001 0000346784

• 003 CAL

• 005 20200901143800.0

• 008 840619s1962 enka b 00000 eng

• 010 __ |a 63000420 /L/r842

• 040 __ |a DLC/ICU |c ICU

• 050 00 |a QA372 |b .H42

• 090 __ |a O175/H432

• 093 __ |a O175 |2 3rd

• 099 __ |a CAL 022000365970

• 100 1_ |a Heading, John. |0 CAL n2005102089# |7 ba0yba0y

• 245 13 |a An introduction to phase-integral methods / |c John Heading.

• 260 __ |a London : |b Methuen; |a New York : |b Wiley, |c 1962.

• 300 __ |a 160 p. : |b illus. ; |c 20 cm.

• 440 _0 |a Methuen's monographs on physical subjects

• 504 __ |a Includes bibliography.

• 650 _0 |a Mathematical physics.

• 650 _0 |a Integrals.

• 650 _0 |a Differential equations, Linear |x Numerical solutions.

• 740 0_ |a Phase-integral methods.

• 998 __ |a WUL