SCIENTIFIC ABSTRACT UVAROV, V.B. - UVAROVA, K.A.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001858310015-9
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: August 31, 2001
• Sequence Number: 15
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

SIO,I,V621000100 310 5 7/1()',,' 2
On an approximation method for the Clll/C444
1 d2~ - _-j
2 2 - V(r)-R' = ER
are known and sufficiently L3imple functions. The parameter.,j 11~*;,-
chosen such that the potentials V and. V only r3lightly differ Irom 011ch
other on the interval where If(j.,) is essentially different from zero; e.f',.
from the condition that the functional
CD
2
V ( r ^V'( r f Alt ... I R ( r ) da,
0
becomes a miniLium,
OnG points to the fact that this method h.L:i boen tested by q 1,, -.(,e
number of examples; two examplez3 are given.
LAbstracter's note: Completo truriolution.]
Card 2/2

11 _0
AUTHORs. Uvarov, V.P_
TITLEa Bond of two
second-order
conditions
S/020/61/138/005/004/025
3- GIII/C222
speatral functions corresponding ta a single
differential equation and to different initial
PERIODICALs Akademiya nauk SSSR. Dokladyqv~138, no.5, 1961, 1035-1038
TEM Given the equation
LY + 'I-Y - Y" + y - 0. (1)
where q(x) in summable on every finite interval., Let,e,,(X,)L) be a
solution of (1) satisfying
IIfI'4'( 0, -A) - Cos I