LEADER 01161nam a2200289 i 4500 001 991001231239707536 005 20020507185652.0 008 950111s1955 us ||| | eng 035 $ab10818947-39ule_inst 035 $aLE01309061$9ExL 040 $aDip.to Matematica$beng 082 0 $a515.353 084 $aAMS 35-02 084 $aAMS 35-XX 100 1 $aJohn, Fritz$0331219 245 10$aPlane waves and spherical means applied to partial differential equations /$cFritz John 260 $aNew York :$bInterscience Publishers,$c1955 300 $aviii, 170 p. ;$c23 cm. 490 0 $aInterscience tracts in pure and applied mathematics ;$v2 650 4$aPartial differential equations 907 $a.b10818947$b23-02-17$c28-06-02 912 $a991001231239707536 945 $aLE013 35-XX JOH11 C.1 (1955)$g1$i2013000018980$lle013$o-$pE0.00$q-$rl$s- $t0$u2$v1$w2$x0$y.i10925715$z28-06-02 945 $aLE013 35-XX JOH11 C.2 (1955)$g2$i2013000018997$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10925727$z28-06-02 996 $aPlane waves and spherical means$9108203 997 $aUNISALENTO 998 $ale013$b01-01-95$cm$da $e-$feng$gus $h0$i2