共 50 条
- [31] DENSITY OF ABUNDANT NUMBERS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (05): : A472 - A472
- [35] EXTREMAL CHROMATIC GRAPHS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 19 (05): : A571 - &
- [36] GEODETIC ORIENTATIONS OF GRAPHS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (01): : A38 - A38
- [37] DISTANCE IN GRAPHS AND DIGRAPHS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (01): : A40 - A40
- [38] ACYCLIC COLORINGS OF GRAPHS . PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (01): : 139 - &
- [39] RECONSTRUCTING COLORED GRAPHS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (01): : A34 - A34
- [40] NOTE ON TRIANGULATED GRAPHS - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1971, 18 (07): : 1045 - &