Περιοδικό

1981
Georgios Flessas, PHYS LET A, PHYS LET A, Vol = 87, pp. = 201, 1981   
Georgios Flessas, PHYS LET A, PHS LET A, Vol = 83, pp. = 103, , , 1981,   
1980
Georgios Flessas, K. Das, On the three - dimensional anharmonic oscillator, Physics Letters A, Vol = 78, pp. = 0, , 19, 1980,   
Georgios Flessas, On the origin of constant matrix elements of a two - body operator, Lettere al Nuovo Cimento, Vol = 29, pp. = 0, , 82, 1980,   
Georgios Flessas, PHYS LET, PHYS LET, Vol = , pp. = 0, , , 1980,   
Georgios Flessas, PHYS LET A, PHYS LET A, Vol = 78, pp. = 90, , , 1980,   
1979
Georgios Flessas, On the eigenvalues of the rotating harmonic oscillator, Physics Letters A, pp. = 71, 315, 1979   
Georgios Flessas, Exact solutions for a doubly anharmonic oscillator, Physics Letters A, Vol = 72, 289, 1979   
Georgios Flessas, An exact solution of the Hartree - Fock - Bogolyobov equations, Lettere al Nuovo Cimento, Vol = 26, pp. = 0, , 492, 1979,   
Georgios Flessas, PHYS LET A, PHYS LET A, Vol = 27, pp. = 289, 1979