TY  - GEN
AU  - Jon, F
TI  - Ploskie volny i sfericheskie srednie: v primenenii k differentsial'nym uravneniiam s chastnymi proizvodnymi
PY  - 1958///
CY  - Moskva
PB  - Izdatel'stvo inostrannoj lit
N1  - Cuprinde bibliografie si index; Scriere chirilica; Plane waves and spherical means applied to partial differential equations - Fritz John (New York - Interscience publishers; London - Interscience publishers)
ER  -